The Best Free PC Optimizer (Reviews) for 2021

Over time, any Windows PC or laptop can start to feel slow. The hard drive begins to get cropped, apps, and files added, and performance begins to decline. This does not mean that you need a new PC but instead your PC needs to build a tune. In this guide, we recommend the 5 best PC Optimiser tools to get your Windows PC up and running again.

All the technology slows down and works so efficiently over time. That’s why we bring in our car for service every year; it needs to be adjusted and cleaned under the hood to make sure everything is working properly.

Your Windows PC or laptop is no different. As you use it, you start collecting files in different places, components move down with data, and everything starts to slow down.

Microsoft is well aware that this is happening and is offering you some tools to spruce things up. However, these are individual basic programs that are not easy to use and take a lot of time and effort to use.

Fortunately, there are several third-party developers who have seen this problem and have created PC Optimizer tools to help. There are plenty of these products around, some of which cost a lot of money.

But making the most of your PC or laptop is a heavy thing that most people don’t want to spend a ton of money on. The good news is that you don’t have to.

While there are many expensive, high-quality PC optimization software on the market, there are many free optimizer tools available online as well. Many of these work just as well as the paid ones.

In this guide, we will show you the 5 best PC Optimizer tools currently available online. We’ll tell you the pros and cons of each and outline their key features to help you decide which one is best for you.

Microsoft optimization options

Microsoft Windows comes with several built-in optimization tools that you can use to optimize your PC and Laptop.

These tools have been around for a long time and while Windows has evolved significantly over time, these have remained largely the same. They include things like:

  • Check disk – Detects and resolves hardware errors
  • Disc defragmenter – which moves around files on your hard drive to get the best space
  • Disk cleaning – Searches and deletes unnecessary files

Then there are other suggestions that Microsoft suggests to improve the performance of your Windows PC and laptop. There are hundreds of advice guides around full suggestions on that. They usually include things like unwanted apps, stopping programs from running automatically at beginner levels, changing the brightness, power plans and so on. .

All of this can be done through Windows, but they all have to be done manually and this can be difficult and time consuming; especially since these are the things you need to do at least every month or two.

Much better then, to look for one optimizer tool that can do the same job of those internal Microsoft features and much more. And even better for finding one for free.

Best Free PC Optimizer 2020

In this guide, we will introduce you to the top 5 free PC optimizer tools we have tested that are currently available on the market.

1. Iolo System Mechanics


  • Offers clear and concise analysis
  • One-click cleaning feature


  • You need to upgrade to a premium package for some features

Iolo System Mechanic is a PC optimizer that largely delivers on its promises. Not only can it do all the work of the built-in Microsoft tools, but you can usually see a real improvement in the performance of your PC after running it, especially with things like starting distances.

This neat free tool comes with an easy-to-use interface that is well-designed and clear to follow. It is able to remove junk files, delete unwanted apps, block and delete unwanted automated settings, delete RAM, and delete logs, browser history, and caches.

If you are aware of privacy an additional nice feature is that Iolo System Mechanic can also completely erase your browsing history. And if you want to keep things simple, the one-click cleaning feature will definitely be attractive.

All of this can be done for free, but there are two paid versions of this software that pack in even more features. If you want to stick with the freebie, you have to do without that, but it can be hard to see them posting so often.

But the fact is that the free version does everything most need and is as effective as anything else we’ve tested.

2. IObit Advanced SystemCare Free


  • Wise, easy-to-use interface
  • One-click cleaning option


  • Additional software installed by the installer
  • Unable to extract individual files

The first thing to say about IObit Advanced SystemCare Free is that it looks very good. This is the free version of a high quality product and the high quality interface has been provided. It is very easy to use and there is not too much junk or images to deceive you.

IObit Advanced SystemCare Free allows you to maximize things with a single click. It cleans unwanted files and folders, fixes your Windows registry, resolves any errors on your hardware, and more. Be careful though, as this is an all-in-one tool and does not give you the choice of which files to keep and which to clean.

One small break we had was that several different software packages are bundled in the installer. This is always a security risk and far from the philosophy of keeping your PC or laptop clean from junk that you would expect this type of software would promote.

You will also get some confidence to sign up for their premium Pro version of this tool as well. It offers a few more including speed enhancements, real-time optimization, privacy protection, deep disk cleanup, and round-the-clock technical support.

It will set you back around $ 20 a year, with a license for three devices provided for that. It’s a pretty fair price but if you prefer to stick with the free one, you still get a top-notch optimization tool

3. CCleaner


  • Very easy to use
  • Good at freeing up space
  • Available for desktop and mobile devices


  • It lacks advanced features

CCleaner is one of the most popular PC optimization tools and has been around for a long time. This longevity is rooted in the fact that it is a very good product and has a proven track record in delivering on its promises.

CCleaner can perform such tasks as removing temporary files, clearing browser caches, removing unwanted cookies, and digging out all difficult ones. find and unwanted files. If you want something that can do the same thing as Microsoft’s built-in tools without all the hassle, CCleaner is a good bet.

There is a Pro version that costs around $ 15 per year and offers a range of additional features including PC Health Check and real-time monitoring. You can give it a free trial if you want to see if the extras are worth the money, but for most people, the free version is more than enough.

4. Ashampoo WinOptimizer 2019


  • Deep and fast scans
  • Impressive interface
  • Great flexibility


  • Pages store links on your desktop

As the name suggests Ashampoo WinOptimizer will give your Windows PC or laptop a clean slate. It offers a basic scan and clean function that is quick and simple and can scan for junk files, browser cookies, and broken registry records and delete them all with one click.

If you want to go further, Ashampoo can help too. Just click the Details button and it will tell you what all the issues it mentioned and why you should fix it. You may then choose to accept such suggestions or reject them as you see fit.

There is also a set of modules for running routine tasks such as defragmentation and startup optimization, which can be managed from the single, easy-to-use Ashampoo interface.

We don’t want a program that should clean your Windows PC or laptop to put a store link on your desktop to try to get you to buy the basic version. But, on the other hand, this is an excellent optimization tool.

5. Razer Cortex


  • Designed to free up RAM for gamers
  • Regular updates


  • A few more things we didn’t see the point

Razer Cortex is a clever little device built with the minds of gamers. The only reason for this is to free up space on your Windows laptop or PC for games with high-intensity graphics to run more visually. So it may not have the same complete improvement as you will see from some of the other tools on this list, but if you want slower images it is perfect.

It offers enhancements such as debugging, clearing out and clearing your memory, and preventing any unnecessary system processes. It can also automate the process of turning off unnecessary software and services when you are ready to play.

There are other features in this tool that we have not seen the point and the overall results of Razer Cortex were relatively small. But there was definitely a visual improvement and for gamers, that’s sometimes all you need.


Everyone wants their Windows PC or laptop to perform at its best, but Microsoft is making it difficult to do so with their range of old-fashioned devices. is scattered throughout the operating system.

The fastest and most efficient way to enhance your Windows device is to use a third-party optimization tool to remove all the hard work.

You can pay for such a device, but there is also no shortage of free ones available. In this guide, we have selected our top free PC optimization tools on the market right now and revealed our favorites about them.

If you have any other ideas or suggestions for making good use of a Windows PC or any of the software we have suggested in this guide, please share your thoughts with us using the comment box below .

Share any questions you may have as well. We always try to deal with them all quickly.

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