Professional PC cleaning software is often the first place many turn to reclaim lost disk space, wipe their web browsing history and give a sluggish PC or laptop a performance boost in the process.
Whilst freeing up disk storage and speeding up devices are the main drivers for many turning to PC cleaning software, such tools can also be useful in many other everyday computing circumstances. This includes boosting the security, privacy and digital maintenance of devices whilst providing specialist tools for deep cleaning web browser history and local cache storage plus automatically updating installed software and system drivers which can aid in a more stable and secure PC.
When assessing PC cleaning software, many will be asking themselves if they really need such software and what real world benefits it can offer. Whilst modern operating systems are more resilient to accumulating junk and feature their own cleaning tools, the ability to bring many different cleaning and maintenance utilities together in a single unified application is what provides the real value. Time to test out some of the best PC cleaning software for myself and see how useful some of these top cleaning utilities really are – Vamos.
- Optimised for Windows 11
- One-Click Optimizer
- Gaming Boost Mode
- Uninstall Manager
Are system cleaning tools required?
Historically, system cleaning software has been useful in helping to clean up the various junk and unwanted files which accumulate over the lifespan of a typical PC. Whilst historically this has undeniably been a good reason to use such PC cleaning software all by itself, the availability of considerably larger hard disk drives and better designed operating systems of recent years have in many cases reduced such benefits.
Top 5 PC Cleaning Software Choices:
Below is a quick look at the top 5 PC cleaning software solutions mentioned in this guide, scroll down for the full and detailed list of PC cleaning software titles.
| Provider | Solution | Pricing | Website | |
|---|---|---|---|---|
| 1 |  | WinOptimizer | From $14 / year or $50 one-off | |
| 2 |  | CCleaner Professional | From $44.95 / year | |
| 3 |  | System Mechanic | From $49.95 / year | |
| 4 |  | Glary Utilities | From $39.95 / year | |
| 5 |  | Revo Uninstaller | From $24.95 / year |
Furthermore, more powerful processors (including modern multi-core CPUs) and cheaper more plentiful memory (RAM) have mitigated any potential downsides of system “bloat” including additional start-up entries, leftover traces from uninstalled software and background services amongst other issues. The industry-wide migration to using SSD (solid state) hard drives in recent years has effectively also mitigated much of the slowdown with considerably faster disk access times all by itself whilst. Extensive use of SSDs has for many also removed completely the need to defrag hard drives thus also mitigating the negative effects of disk fragmentation (something which caused considerable slowdown in older systems relying on mechanical hard disk drives in the past).
So, this begs the obvious question, are PC cleaning tools still required anymore?
The answer to this question for many will be “less so” rather than “not at all”. Despite modern PCs, hard drives and versions of the Windows operating system itself being much more resistant to many of the historic issues which used to cause systems slowing down (and filling up free disk space with junk), there are still cases where such issues can persist resulting in noticeable slowdowns and stability issues. For example, a heavily used PC which has seen a lot of third-party software installed could still struggle with too many start-up entries being present (apps which run automatically when the system boots) and a system which sees a lot of software installed and uninstalled (over time) could still have issues resulting from such software not being removed cleanly (with old files and start-up entries persisting).
| Feature / Task | Built-In Windows Tools | Third-Party Pro Cleaners | |
|---|---|---|---|
| Basic Cache & Temp Files | Yes (Storage Sense) | Yes | |
| Startup App Management | Yes (Task Manager) | Yes (With helpful community advice) | |
| Deep Browser & App Leftovers | Manual / Basic | Automated & Deep | |
| DNS Cache & Tracking Telemetry | Complex manual commands | One-Click Wipe | |
| Limited / Basic | Limited / Basic | Fully Customizable |
Whilst a lot of these issues can be cleaned up using Windows own built-in cleaning tools (e.g. the Windows task manager now shows start-up applications in their own tab which can easily be disabled as required), specialised PC cleaning tools can in some cases make such work easier. Third-party tools can provide enhanced guidance in what exactly needs removing and optimising on a device and (crucially) provide automatic cleaning options for regular cleaning / system optimisation work (something which built-in OS cleaning tools are still often lacking).
In what areas can system cleaning tools be useful?
Whilst it needs to be made clear that specialist PC cleaning tools are no longer a strict recommendation for the smooth running of a PC (like they were 15+ years ago), it should also be pointed out that they do contain functionality which can still be highly useful to the average PC user. This includes ways and means for enhancing the privacy of the individual using the PC in question, optimising performance further than might be possible with the operating systems built-in tools whilst also enhancing system reliability with tools for keeping software and drivers updates amongst many others.
Enhancing User Privacy
Privacy is something which is becoming much more important to many in the modern world and, with the rise of modern cyber-crime and increasingly complex means of stealing personal data on the rise, this is something which even the average PC user needs to take seriously.
One of the main methods for enhancing user privacy on a PC is to minimise the amount of data and metadata which is stored openly upon the device itself. This can take the form of undeleted web browsing history, unnecessary log files pertaining to software or services no longer used plus unwanted services or apps which might contain privacy eroding telemetry and diagnostic data amongst other related issues.
NB – To be clear, maintaining privacy on a PC means much more than simply deleting web browsing history. Even log files of previously used apps and cache files can reveal details such as usernames, email addresses and locations and these could be exploited if not removed correctly as a matter of due course.
File caching can also potentially play a part in weakening user privacy by exposing which services are used and or accessed including DNS logs which might show which websites were visited on a device despite the web browser itself being wiped clean (or being used in private mode). In fact, any leftover files including those not fully removed upon the installation of old or unwanted software can potentially cause privacy related issues with specialist cleaning software remaining one of the best ways to ensure all traces of such data are safely removed.
Automated System Cleaning
Whilst system cleaning is still undeniably highly useful for many reasons (including the protection of user privacy as discussed just above), such cleaning using the manual tools found in modern operating system by default can become time consuming and laborious over time.
With this in mind, even though a professional system cleaning tool might not bring much in terms of new cleaning abilities to the fold, such tools often allow for the automation of these routines meaning the risk of forgetting to regularly perform such essential cleaning can effectively be mitigated. By being able to run specialist cleaning modules on a schedule, third-party system cleaning software can help assure users that their system will remain clean, optimised and more privacy enhanced without the need to run cleaning tools manually on a regular basis.
Centralising Software and Driver Updates
Keeping any installed applications and hardware drivers up to date is essential for anyone seeking a stable, secure and reliable PC. Outdated software remains one of the main entry points for malware and hackers whilst old device drivers frequently lead to hardware instability, blue screen of death (BSOD) errors and device hardware conflicts.
While modern operating systems do a reasonable job of managing their own critical updates, they often neglect such third-party software or driver updates. A professional system cleaning software tool can scan an entire software ecosystem in one go whilst automatically cross-referencing everything against an up-to-date database to download and install patches cleanly, as required, all from within a single app.
Safely Managing Software Uninstallation
When uninstalling a piece of software using the standard Windows settings panel, the uninstaller provided by the app itself is what runs. Unfortunately, for many third-party developers, such removal routines often remain an afterthought and might not be performing the level of cleaning and removal for which it is reasonable to assume they would.
When using such uninstaller utilities, it is common for an application to leave behind orphaned files and folders in user directories, registry entries and even inactive background services which continue to run each and every time a PC boots. Whilst this might not be a big deal on modern PC hardware at first, when installing and removing multiple pieces of software it could compound to become a notable issue over time.
Specialist cleaning tools often include uninstallation management tools which feature some kind of “deep-uninstall” technology. Instead of just running the default installer as would normally happen, such uninstallers can actively monitor the uninstallation process and scan the filesystem and registry for residual traces of the app thus ensuring that the software (and all traces of it) are fully removed from the device.
PC Cleaning Software FAQs
The honest answer for most modern systems is: probably not in any way that you will notice.
Historically, when PCs relied on slower mechanical hard drives and lacked the large amounts of RAM found in their modern-day counterparts, clearing out clutter had a measurable impact on speed. Today, with fast solid-state drives (SSDs) and modern multi-core processors, deleting a few gigabytes of temporary internet files or system cache files won’t magically boost your day-to-day performance or increase gaming frame rates.
Instead, the true value of PC cleaning software in the modern era of computing is reclaiming lost storage space, helping to protect privacy and the streamlining of system maintenance into a single, automated dashboard rather than a collection of separate apps and manual tasks.
Whilst most modern registry cleaners are usually very safe, their use will often have virtually zero impact when it comes to reclaiming lost disk space or improving overall system performance. With this in mind, it can be useful to run such cleaners to maximise cleaning efforts as a part of an automated routine, albeit a task which offers negligible benefits in isolation.
Yes, modern versions of the Windows operating system include Storage Sense (which automatically purges temporary system logs and empties the Recycle Bin) alongside the built-in Task Manager tool which allows for the disabling of startup applications.
Despite these built-in tools being available, where third-party cleaning software often excels is in providing deeper more specialised cleaning. They can effectively target complex areas of a system which Windows routinely ignores including hidden telemetry, DNS cache files, remnants of uninstalled software and the massive localized storage caches generated by apps including various web browsers.
Furthermore, third-party PC cleaning tools often upstage their built-in Windows counterparts by providing the option to run such cleaning routines either automatically in real-time or on a fixed schedule thus reducing the risk of forgetting to clean the system as might happen when performing such tasks manually.
When sticking to reputable third-party PC cleaning software and using the default settings, any personal files stored upon a device (such as documents, photos and PDFs) are completely safe and will automatically be excluded from any cleaning activity. Good PC cleaning software is usually designed in a very specific way to target only certain parts of a system, this includes temporary files, app cache files, system log files, web browsing history, error dumps and tracking cookies amongst others areas targeted.
Editor’s Note: The main exception to watch out for relates to the “Downloads Folder”. Some cleaning utilities offer to empty this folder to help reclaim disk space meaning that, if you use your downloads directory as a permanent storage directory, be sure to exclude this location before commencing with any cleaning activity.
In my own opinion at least, the “snake oil” reputation which surrounds a lot of third-party PC cleaning software often comes from many years of aggressive marketing tactics used by low-tier software developers and their affiliates to sell such software to the public (a public which, for the most part, might have little understanding of why a PC is running slowly).
By separating this marketing hyperbole from reality and testing these tools extensively over many years, we can see that whilst these tools probably won’t massively speed up your PC, they can still be genuinely useful in many other ways. This includes helping to maintain and maximise user privacy, the reclaiming of disk space, keeping software and drivers up-to-date and for performing the full removal of uninstalled software with deep cleaning ensuring all traces of said software are removed.
Top 7 Best PC Cleaning Software Tools
This section features some of my favourite PC cleaning software tools which can genuinely help in the cleaning and performance optimisation of a PC. In addition to these core cleaning and performance optimisation features, I have also highlighted various other useful additions including those aimed at improving the security of a PC and enhancing the privacy of its user.
Remember, any ratings given below reflect my own opinions and are intended only for use as a guide. Always be sure to check the details for any PC cleaning software before making a purchase and, if possible, always try and make full use of any free trials before making a decision.
1) Ashampoo WinOptimizer
The WinOptimizer line has for many years been a highly regarded PC cleaning and performance optimisation suite from Windows software experts, Ashampoo.
Featuring 30+ specialist cleaning and performance optimisation modules fine-tuned for the latest versions of Windows, WinOptimizer stands out thanks to the sheer breadth of tools it provides. A powerful 1-Click Optimizer module provides a quick and effortless means of running the most powerful junk cleaning routines simultaneously while real-time modules help to enhance system speed in real-time with a specialist “Game Booster” mode providing the maximum performance improvement.
Moving past core system cleaning, WinOptimizer also lends itself very well to maintaining local device security and user privacy. The specialised “Privacy Manager” module provides a unified interface for digging deeply into the complex privacy and telemetry settings found within Windows, the ADS scanner hunts for hidden ADS streams and the “Browser Extensions” manager makes it easy to audit and remove dubious plugins across all installed web browsers from a single dashboard.
Furthermore, a secure file wiping utility helps in permanently removing and destroying sensitive data and this sits alongside the powerful uninstallation assistant which monitors software removal to ensure hidden registry traces and orphaned app directories are dealt with correctly.
- Real-time PC optimisation
- One-Click Optimiser
- Scheduled cleaning
- Secure data erasure
- Game boost mode
- Uninstall manager
- 30-Day free trial
- From just $14 / year
- Perpetual licence @ $50
WinOptimizer is currently priced from just $14 per year for use across 3 devices or $50 per device for a perpetual licence remaining free of any ongoing subscriptions. More information on the full range of features found within WinOptimizer alongside details on the full 30-day free trial can be found via the official Ashampoo website.
2) CCleaner Professional
For over 20 years, CCleaner has been a definitive “go-to” solution for millions of Windows PC users looking to keep their devices decluttered and running at their best. Developed by PC cleaning experts Piriform, this highly recognisable utility continues to solidify its reputation in its latest version as a powerful yet user-friendly solution for tackling system clutter.
While the widely popular free edition remains a highly capable tool for removing junk manually, the premium CCleaner Professional suite elevates system maintenance into a more powerful and highly automated experience. At the heart of the Pro edition is the newly refined “Performance Optimizer” module, a clever tool that boosts overall system speed by detecting resource-heavy background apps and safely putting them to sleep when not in use. This sits perfectly alongside the automated “PC Health Check” wizard, which quickly analyses a device and recommends instant, single-click fixes to reclaim valuable storage and streamline boot-up times.
Beyond its core file and registry cleaning routines, CCleaner Professional also functions as a robust tool for maintaining software integrity and personal privacy. The built-in “Software and Driver Updater” modules work silently to keep third-party applications securely patched automatically while advanced tracking tools ensure that web browsing history is automatically wiped clean when web browsers are closed. Furthermore, newer versions of CCleaner have introduced specialised tools designed to easily tidy up and reclaim disk space from popular cloud storage services including OneDrive and Google Drive from directly within the app itself.
- Deep device cleaning
- PC Performance tuning
- Scheduled PC cleaning
- Windows start-up tuning
- Driver updater
- Free edition available
- From $29.95 / year
- Subscription only pricing
CCleaner Professional is priced from $44.95 per year for a single PC license, or you can opt for the Pro Plus or Premium tiers which are priced from $64.95 and extend coverage across multiple devices (including MacOS and Android). More details on the advanced automated scheduling features and the free edition can be found via the official CCleaner website.
3) Iolo System Mechanic
Iolo’s System Mechanic line has spent over two decades establishing itself as one of the most comprehensive and reliable PC optimisation suites on the market. Known for going far beyond basic junk file removal, this powerhouse utility also focuses heavily on diagnosing and resolving hidden system issues and performance bottlenecks which might otherwise go unresolved.
One of the key things setting System Mechanic apart is its implementation of Iolo’s proprietary “LiveBoost” technology. This specialist engine actively calibrates system resources including CPU, RAM and locally attached drives in real-time to maximise overall system speed. The core of the application also features the automated “ActiveCare” utility, a highly regarded tool that runs silently in the background to perform hands-off maintenance chores. Tasks handled by ActiveCare include repairing broken registry associations, aligning misconfigured internet connection settings and purging fragmented system logs.
In addition to its heavy focus on system speed and storage recovery, System Mechanic provides a robust selection of security and privacy related tools. The specialised “Privacy Shield” offers an intuitive dashboard to completely disable Windows telemetry, Cortana and background location tracking with a single click. Furthermore, this suite includes a dedicated uninstallation manager to deeply clean software leftovers and a secure data-shredding utility for permanent file destruction.
- Real-time PC optimisation
- All-in-one PC cleaner
- Antivirus & antimalware
- Secure data erasure
- Data recovery tools
- 30-Day free trial
- From $39.95 / year
- Subscription only pricing
Iolo System Mechanic is priced from $49.95 per year for a standard license and a single subscription conveniently covers all PCs in a single household. More info on the deep-cleaning modules plus details on the free trial, can be found via the official Iolo Website.
4) Glary Utilities
Glary Utilities from expert software developers, Glarysoft, has for many years been a popular choice for Windows users seeking a lightweight yet incredibly comprehensive PC maintenance suite. Consolidating a massive collection of over 30 individual tools into a clean, modern interface, Glary Utilities successfully bridges the gap between deep, granular system control and effortless automation.
The highlight for everyday maintenance is the refined “1-Click Maintenance” module. This highly regarded feature allows for the scanning and resolving of a multitude of system issues simultaneously. This includes clearing registry issues, purging junk files and optimising system startup programs all with just a single click. Beyond basic cleaning, Glary Utilities also offers a solid startup manager that tracks boot-up time metrics, a context menu manager to safely strip out annoying right-click options plus a robust file encryption module capable of creating secure, password-protected archives.
On top of its noteworthy cleaning performance, Glary Utilities provides one of the most consumer-friendly experiences in the PC utility space. Glarysoft also offers a 30-day free trial of their Pro edition that unlocks full background automation and deep scanning immediately upon installation, entirely free of mandatory email registration or payment information.
- Powerful PC cleaning
- 1-Click maintenance
- Duplicate file removal
- Privacy protection tools
- Driver & softare updater
- Boot-up optimiser
- From $39.95 / year
- Subscription only pricing
Glary Utilities Pro is priced from $39.95 per year which covers usage on up to 3 household PCs. More details on the extensive 30+ module toolkit, alongside access to the free trial version can be found via the official Glarysoft website.
5) Revo Uninstaller
Revo Uninstaller has for many years been a highly regarded software utility and an essential addition to any Windows PC optimisation toolkit. While standard system cleaners focus primarily on general disk clutter, Revo focuses more on the massive trail of registry bloat, temporary files and orphaned app directories left behind by standard Windows uninstallation routines.
What makes Revo Uninstaller stand out as a top PC cleaning utility is its multi-stage removal process. When removing software, Revo first forces the program’s built-in uninstaller to run before deploying its own advanced scanning engine to hunt for leftover data. Three distinct scanning intensities including “Safe”, “Moderate” and “Advanced” allow for safely and thoroughly purging residual system traces. Beyond this core scanner, the Pro edition features a brilliant real-time installation monitor which tracks system modifications as new software is installed and creates a precise log that ensures 100% of the program can be cleanly reversed and removed.
On top of its legendary software removal capabilities, Revo Uninstaller also includes a useful selection of supplementary PC cleaning tools. These include a dedicated web browser cleaner to securely wipe tracking data, an evidence remover for secure disk-wiping plus a highly effective Autorun manager to disable unnecessary startup apps and help improve system boot-up times.
- Easy to use app
- Great uninstaller
- Drive junk cleaner
- Secure data erasure
- Real-time monitoring
- Browser plugin removal
- Pro edition from $24.95
Revo Uninstaller Pro is priced @ $24.95 per year for a single PC license or $39.95 for a perpetual license with a basic free version also available. More details on the advanced scanning modes plus the 30-day free trial, can be found via the official Revo website.
6) Ashampoo Uninstaller
As one of the most powerful software removal tools on the market, Ashampoo Uninstaller offers a sleek, highly modern approach to tackling persistent software residue. While competing uninstallers often rely on PC users manually selecting scan depths, Ashampoo focuses heavily on seamless real-time automation and intelligent background tracking to help keep Windows systems clean.
The core of Uninstaller’s technical prowess lies in its automated installation guard component and dual-state snapshot technology. The real-time background monitor automatically detects when a setup file initiates, tracking folder additions and registry modifications without requiring any manual user intervention. For untracked software, Ashampoo utilises an advanced snapshot tool which tracks a detailed layout of system files before and after an installation thus allowing for easy reversal of changes if required. Furthermore, newer versions of Ashampoo Uninstaller introduce a highly practical software relocation feature which allows for the effortless moving of fully installed programs across different drives or partitions to help free up space on congested SSDs without breaking shortcuts or registry entries.
Beyond this core software removal engine, Uninstaller also serves as an excellent PC tune-up suite in its own right with several powerful modules made available. Whilst cleaning and performance optimisation can be automated in Ashampoo’s sister product, WinOptimizer, Uninstaller still provides a powerful subset of this functionality which can be run manually as required. Cleaning and optimisation utilities available include a specialised Registry deep cleaner, an Internet Cleaner with custom cookie whitelisting plus a handy file “Unlocker” tool to safely force-delete files currently locked by the system.
- Easy to use app
- Great uninstaller
- Drive junk cleaner
- Secure data erasure
- Real-time monitoring
- Browser plugin removal
- Pro edition from $24.95
Ashampoo Uninstaller is priced from $12 per year for use across 3x PC with a perpetual license available for a single device priced at a one-off $40. More information on the full functionality of Uninstaller and access to the full 30-day free trial can be found via the official Ashampoo website.
7) AVG TuneUp for PC
Developed by cybersecurity giants AVG, the AVG TuneUp line has long been a heavyweight contender in the PC optimisation market. While it handles traditional disk and registry cleaning routines flawlessly, the suite stands out for its deep focus on real-time application management and its highly generous multi-device licensing terms.
The core engine driving TuneUp’s speed and performance boosting enhancements is its “Sleep Mode” technology. Rather than just disabling startup apps, this intelligent utility actively forces resource-heavy background processes into a state of hibernation whilst not actively in use (instantly restoring them when required). For junk removal, the suite combines its junk-file scanner with a clever “Uninstall Simulator” which allows users the placing of suspect or unused applications into a temporary quarantine to ensure system stability before executing a permanent uninstallation.
Furthermore, the automated “Software Updater” module works silently to help keep third-party software patched, while the “Browser Cleaner” module has been further expanded to allow custom exclusions so tracking cookies can be more effectively cleared.
- Real-time PC optimisation
- One-Click Optimiser
- Scheduled cleaning
- Secure data erasure
- Game boost mode
- Uninstall manager
- 30-Day free trial
- From just $14 / year
- Perpetual licence @ $50
TuneUp for PC is priced from $29.99 per year for a single device and includes a 30-day money-back guarantee. More info on TuneUp can be found at the official AVG website.
Best PC Cleaning Software Summary
Modern PCs are vastly more powerful and operating systems much better at self-maintenance than they used to be 10+ years ago. This means that specialist third-party cleaning software has less effect in boosting the performance of a device in modern times and is no longer the “go to” quick fix to a slow device which it might once have been.
For many PC users, the primary motivation for utilising such cleaning software in modern times has shifted away from optimising devices for raw performance and more towards enhancing privacy and device security. Even modern operating systems are still prone to privacy and security issues with cybercrime continuing to cause issues for many. With this in mind, tools allowing for deep and effective cleaning of web browsing traces, leftover elements of uninstalled software, log file entries and other sensitive metadata found in the operating system can provide a vital layer of digital defence and peace of mind.
Of course, reclaiming wasted disk space and clearing of junk can still remain a major factor, especially when running a newer NVMe SSD as a primary system drive which might have less space than an older, more cost-effective option. Such specialist PC cleaning tools can effectively seek and remove leftover registry keys, orphaned program folders and unwanted software remnants that are not cleanly dealt with during the regular uninstallation process.
