1. Iolo System Mechanic
Enjoy a faster, cleaner PC with the best free PC optimization tool around
Iolo System Mechanic removes junk files and unwanted apps, blocks bloatware and unwanted auto-run settings, clears out RAM and wipes various logs, browser histories and caches.
Not only does this free up key system resources, it also eliminates traces of your browsing activity to protect your privacy.
Its PC optimization toolkit really does make a difference; whenever we’ve tested System Mechanic we’ve found a significant speed improvement, especially at startup. The free edition is excellent, but the two premium versions – System Mechanic and System Mechanic Pro – are well worth considering if you find yourself using it regularly – and Iolo is offering a 70% discount with the voucher code
The genuine performance boost we saw after running System Mechanic made it our favorite system optimization tool. Read on for four more of the best apps around for speeding up your Windows PC
Download Iolo System Mechanic
2. IObit Advanced SystemCare
A hands-off approach to optimization that’s ideal for novice users
IObit Advanced SystemCare comes in two forms: a free edition version that covers basic house cleaning, and a Pro version that adds internet speed-boosting, real-time optimization, privacy protection, deep registry cleaning and 24/7 technical support. That’s US$20 (about £15, AU$25) for a year, and the license covers three PCs.
Whichever edition you choose, IObit Advanced SystemCare’s interface is well designed, easy to use and unlikely to frighten even the newest PC user. We’d deduct points for an installer that wants to add additional programs – that’s hardly in keeping with the philosophy of keeping unwanted stuff off your computer – but they’re easy to avoid if you choose a custom installation.
Like most of the free PC optimization software here, it cleans up files and folders you don’t need, neatens up the Windows registry and corrects errors on your hard drive – all via a simple, slick dashboard.
3. Piriform CCleaner
Eliminate unnecessary files, clean the registry and manage programs
Piriform CCleaner has been around for a long time, and part of the reason for its ongoing popularity is that it cleans the parts of your PC that many other free system optimization tools don’t.
There’s a paid-for version of the optimization toolkit that adds real-time protection and cleanup scheduling, but the free edition of CCleaner covers the important stuff such as removing temporary files, getting rid of browser caches, removing unwanted cookies while keeping the useful ones and so on.
If your PC just feels sluggish then this is the app to try first. It doesn’t have all the advanced features of apps like System Mechanic, but the stuff it does clear is famous for slowing down PCs.
Click to Download Piriform CCleaner
4. Ashampoo WinOptimizer 2018
A fast, thorough scanner plus a suite of well-designed maintenance tools
Ashampoo WinOptimizer 2018‘s biggest selling point is its flexibility – you can scan for junk files, broken registry entries and browser cookies with a single click, and erase them all with one more.
Alternatively, you can dive deeper by selecting the ‘Details’ button to review the results of your scan one by one. Unlike some PC optimization tools, Ashampoo WinOptimizer gives you a full description of each issue it’s identified, explaining exactly what it is, and why you should consider removing it. You can then make an informed decision about whether to erase or keep it.
WinOptimizer also includes a suite of ‘modules’ for routine maintenance tasks like defragging hard drives and optimizing startup processes. These are all tasks that could be accomplished within Windows itself, but having them all in one location is much more convenient than trawling through menus.
(In case you’re wondering, Ashampoo takes its name from this optimization software, which cleans your PC ‘like a shampoo’
Download Ashampoo WinOptimizer
5. Razer Cortex: Game Booster
Designed to help gamers wring extra performance from their PCs
If your system struggles when you’re trying to get your game on, Razer Cortex: Game Booster could well be the answer. This free PC optimization software suspends unnecessary system processes, clears out memory and defrags your system to get the very best game performance possible.
Razer Cortex: Game Booster is available for Windows 7, 8 and 10, and while the differences won’t make you jump up and down in astonishment – for most people the results will mean slightly smoother visuals rather than astonishing performance improvements – it does automate the fiddly process of turning off unnecessary software and services when it’s time to play.
Download Razer Cortex: Game Booster
Norton Utilities provides an excellent range of features in an easy-to-use interface. 1-Click Optimization makes it extremely simple to keep your PC clean, and they have bundled together with an impressive number of additional features, from duplicate file checkers to lost file recovery and secure deletion.
I did notice that after running the 1-Click Optimization all caching on my browser had been temporarily disabled, and all of my cached CSS files had been removed. These files are not exactly space-hogs, so I’m not sure why they would be included in an automatic cleaning process. This had the side effect of breaking every website I visited until I did a hard refresh to fix them, but the broken web pages might have confused an inexperienced user.
There are a couple of other things that keep Norton out of the winner’s circle. It’s one of the more expensive cleaning apps in this review, at $49.99, and you’re limited to installing on just 3 PCs. This means that it’s not exactly right for the winning the enthusiast category, as enthusiasts usually have at least 3 PCs in the house, and it’s a bit too complex for winning in the casual user category. It’s still an excellent choice from a feature standpoint, though, if you’re not a fan of our chosen winners – or if you want to avoid a yearly subscription fee!
Norton no longer offers a free trial on their website, but you can still find a copy of the free trial here. If you want to go ahead and buy right away, you can do so directly from Norton below.
Click here for download
Comodo PC TuneUp for PC Cleaning and optimization
Comodo PC TuneUp is a bit of a strange entry in the list. It covers some of the more basic PC cleaning functions such as searching for junk files and the obligatory/useless registry fixes, but it also includes a malware scanner, a Windows event log scanner, and a rather vague ‘security scanner’. Comodo also includes a duplicate file scanner, a registry defragmenter and a unique ‘force delete’ tool that allows you to defer deletion of files that are in use until your next restart.
It’s been fairly amusing to see what the different cleaning programs consider to be problems. Comodo didn’t find any issues with my Windows registry, despite the fact that the other programs I tested did. I never run any of the registry tools (apart from scanning) and you shouldn’t either, but it’s worth pointing out that there is evidently some disagreement about what causes problems.
Even more amusingly, the two security scanner results were both from entries in the registry, despite the fact that the registry scanner said everything was fine. I’m not sure what to make of that, but it doesn’t exactly fill me with confidence in its cleaning abilities. It also found the least amount of junk files at 488 MB, a sharp contrast to the potential 19 GB found by AVG PC TuneUp.
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Clean Master for PC for PC Cleaning and optimization
Clean Master for PC is best free PC cleaner for Windows 10, 8 & 7 that helps you clean your system and keep your privacy intact. Here, its advanced system scans over 1000+ programs with single-click while searching and removing residual & junk files to clean up system storage. It helps you boost your system performance by speeding up boot time, and intelligently optimize system and network settings. Its driver booster helps you scan and fix over five million drivers and devices to fix driver issues. Working as a privacy protector, it helps you fix various privacy issues by blocking unwanted access to programs and resolving privacy disclosure risks. In additional features, it offers file recovery, auto-update, junk auto-clean, file shredder, browser auto-clean and lot more.
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