7 Best RAM Cleaners & Optimizers for Windows 10 & 11

by Radu Tyrsina
Radu Tyrsina
Radu Tyrsina
CEO & Founder
Radu Tyrsina has been a Windows fan ever since he got his first PC, a Pentium III (a monster at that time). For most of the kids of... read more
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  • RAM cleaners and optimizers are software tools meant to free up your PC's RAM.
  • We've compiled a list of useful tools that will optimize your storage and increase the PC speed considerably. 
  • Besides that, these RAM booster tools help with prioritizing better RAM usage, so your PC will be faster.

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If you are reading this article, then you are wondering why your computer is gradually becoming slower and slower and you’re looking for a RAM cleaner for Windows to fix that.

Computers tend to build up data on your HDD and RAM which can cause your PC to run slower.

If you are in this situation, then you may want to try one of the RAM optimizers for Windows 10 and 11 in the list below.

It is important to note that these RAM manager apps will not magically add more memory to your RAM or make it more powerful.

Rather, optimizing your RAM can be seen as a sort of clean-up, maintenance job to free and optimize its usage.

These programs will help improve your computer by deleting unnecessary tasks from the memory, among other things.

The truth is, these programs are not essential, because Windows 10 and 11 already have integrated functions and tools that are designed for this sort of thing.

How do I manually clean my RAM on Windows 10 & 11?

1. Clean your RAM using Command Prompt

  1. Click the Start button, type cmd, and select Run as administrator from the results (If it does not work at first, don’t worry, we have the right tips for when you can’t run CMD as admin).
  2. Now, enter the following command: ipconfig /FlushDNS
  3. Finally, close the window and your PC should have a clean memory available!

2. Clean your RAM using Task Manager

  1. Right-click the Start button and select Task Manager from the list.
  2. Go to the Startup tab.
  3. Once you’re there, locate the programs you don’t really need to be loaded at startup.
  4. Select them once by one and press Disable.

Now, these are not at all complicated maneuvers. But they do take time and isn’t that the most precious resource we all lack these days?

Even though they are not extremely demanding, the integrated tools can be confusing to individuals who aren’t computer savvy.

On the other hand, specialized RAM cleaner tools and RAM optimizers tend to be easy to use and convenient, and most of them are completely free.

What is the best RAM cleaner for your PC?

Restoro – Best PC optimizing tool

Topping our list is a software tool that can be considered a universal fix for pretty much all issues you can think of related to the Windows OS.

Restoro is a lightweight and extremely handy software tool that could be described best as easy-to-use and extremely efficient.

As far as RAM optimization goes, it’s one of the few hardware improvement features that this program boasts, along with hard disk speed and CPU power, and temperature.

All you need to do is download the program, run the initial scan, and then let Restoro do the rest for you while it brings your PC back to top condition.

Besides the RAM optimization, this program will remove malware along with any damage it may have caused, and it will also repair registries and fix broken or missing DLLs.

Additionally, you can program Restoro to perform real-time monitoring of your system, allowing it to fix problems and optimize your PC as soon as issues happen.

All in all, if you’re looking for a PC repair and optimization tool and feel like you are buying 4 products for the price of one, then there’s no way you can get it wrong with Restoro.

Other key features of Restoro include:

  • Fix common Windows errors
  • Check PC stability
  • Detect several types of threats


If you need your PC to be up and running at full RAM capacity, then Restoro is what you need!

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CCleaner – Ideal for cleaning the memory and junk files

For those of you that want a full-featured utility that is capable to clean junk files, remove duplicates, delete temporary files, and other unnecessary data that use up resources including RAM, we recommend CCleaner.

CCleaner is able to help you with various PC performance issues. It has an overall assessment option under the name of PC Health Check.

This is a scanner that can detect issues that have an effect on your PC performance and RAM usage.

These include privacy issues such as trackers, junk files, startup apps that run for no particular reason, and security issues.

Users of CCleaner can let the app automatically remediate all the issues found or select exactly what files they want to remove.

The tool also includes a Custom Clean option where you can select specific applications and file types that you want to clean. 

For example, you can select your browser and only clean the Internet Cache and Cookies, leaving the Internet history and other saved data intact.

CCleaner has a free version that does include the tools necessary to efficiently remove unnecessary data and improve RAM usage.

The paid version offers more advanced features for a more in-depth optimization.

Other key features of CCleaner include:

  • Driver updater
  • Registry cleaner
  • Application updater
  • Data wipe support


Free up space and improve RAM memory usage with this powerful optimization tool.

Free trial Visit website

Iolo System Mechanic – Great for PC maintenance

Iolo System Mechanic gives you the option to easily block and turn off any unwanted programs, wipe logs, clean out unwanted data clogging up your RAM, and even help delete your internet cache and history.

Iolo is a popular RAM optimizer software that is praised by critics and customers alike. After performing several tests on this application, we have concluded that it really is effective in increasing a computer’s performance.

Furthermore, the application is also designed to significantly increase Internet speed.

They optimize settings automatically for the user to make web pages load faster, items download faster, and improve online gaming.

Another unique feature of Iolo is that it can supposedly automatically fix many errors and software-related issues found on your computer.

The application is constantly updated so that your PC will remain stable and problem-free.

Privacy protection and other security functions are also available in Iolo System Mechanic. It basically gives you the whole package for computer maintenance.

The only real disadvantage of Iolo System Mechanic is that there is no free edition. However, some editions allow users to install the program on multiple computers, which can make it ideal for the workplace.

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So, if you are looking for a RAM optimizer that comes with a ton of other maintenance features, then you will want to try it out.

Other key features of Iolo System Mechanic include:

  • Defragmentation feature
  • CPU tweaks
  • Removes bloatware
  • Boosts gaming, streaming and downloading performance

Iolo System Mechanic is one of the 7 software products included in the comprehensive security, privacy, and optimization package Phoenix 360.

Iolo System Mechanic

Make your system run smoothly and keep your data fully private with Iolo System Mechanic.

Check price Visit website

Wise Memory Optimizer – Very easy to use

Wise Memory Optimizer is a lightweight, portable program that quickly and efficiently frees up any physical memory being taken up by the PC’s system or by unnecessary applications.

This application is perfect for people who want something easy to use. The interface is very user-friendly so that you can easily navigate it.

The application will show you a pie chart of how much RAM you have freed up after you have pressed the RAM-optimized option.

Wise Memory Optimizer has a portable edition, which means you can use the program without having to install it. This makes it also very convenient to erase.

Users have the option to let this RAM optimizer free up any memory on your PC whenever the memory degrades below a certain point.

Of course, if you want to manually start the optimization process, then all you have to do is click on a button in the application.

Other key features of Wise Memory optimizer include:

  • Defrag memory
  • Easy to use
  • Simple user interface
  • Compatible with all Windows versions

Wise Memory Optimizer

Free up space fast and easy, with a lightweight, portable tool that is very easy to use.

Razer Cortex – Ideal for game optimization

Razer is a highly popular company that primarily sells gaming-related merchandise.

With that in mind, Razer Cortex is specifically designed to help gamers boost their computer performance.

However, pretty much any Windows 10/11 user can use this program to help their computers run more smoothly.

Well, this boosting program helps defrag your computer’s systems, stop unwanted system processes, and, of course, cleans out your RAM’s memory.

This RAM manager app is not only available on Windows 10 and 11, but also on Windows 7 and 8.

As we mentioned above, many of the functions of these programs can be performed manually.

For example, closing down unnecessary services and applications can be executed without Razer Cortex.

Nevertheless, with this program, you only have to click a button on your computer that will be boosted.

There won’t be much of a change in terms of performance. However, your applications will most likely open faster and smoother because your RAM isn’t preoccupied with other data.

Other key features of Razer Cortex include:

  • Dedicated mobile application
  • Increase FPS in games
  • Improve loading times

Razer Cortex

Keep your apps running fast and enhance your gaming experience with Razer Cortex.

Tweaking Windows Repair – Great for fixing Windows errors

Tweaking.com is the perfect example of why you should never judge a book by its cover, or in this case, software by its UI.

While the interface is indeed a bit dated, the program itself is extremely efficient and reliable, being perfectly capable of handling the most common issues that a Windows user may ever face. 

Considering that this tool is used to speed up your PC, having it in such a lightweight package is nothing more but an added advantage since this kind of tool should choose efficiency overlooks at all times.

It is an efficient RAM cleaner for Windows although it doesn’t make this clear from the start.

Its key features include:

  • Fixing Registry errors
  • Clearing file permission issues
  • Repairs Windows Update errors
  • Fixing Windows Firewall issues, and more

Get Tweaking.com

Avira System Speedup – Great for quick optimization

If you’re in need of a quick RAM optimization, Avira System Speedup does that for free.

Well, the free app just performs a quick optimization that includes RAM cleaning but for a more thorough operation, you will need to opt-in for the Pro version.

Within the process, the tool also gets rid of all the clutter your PC no longer needs, including the system cache, temporary files, Internet junk, and more.

This RAM cleaner also takes care of the invalid registry entries that remained from uninstalled software so it will definitely make your OS lighter.

Take a look at some of its key features:

  • Quick optimization with the free version
  • Registry cleaning
  • Removes all online traces and temporary data from every browser
  • Clears the system cache, temp files, Internet junk, duplicates, etc.
  • Fast and efficient operation

Get Avira System Speedup

Upgrading your computer by adding more RAM is of course the best way to improve your PC’s performance.

However, sometimes all your computer needs is a RAM cleaner tool to help it run better.

The applications mentioned above are not necessarily listed in order from top to worst. Rather, each of these programs offers different advantages and disadvantages, so that you will have a wider variety to choose from.

Let us know your choice in the comments area below.

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Frequently Asked Questions

  • Restart your PC, perform an OS update, disable unnecessary startup apps, perform periodic disk cleanups, and more. All of the above can either be done manually or automatically if you used dedicated optimization tools.

  • Second only to replacing your HDD with an SDD, adding more RAM has the single most important and noticeable impact on your PC’s performance. However, certain issues can cause your PC to not use all of your RAM.

  • While faster RAM does indeed improve your PC’s speed in most benchmarks, more RAM will always offer the most performance boost as far as cost-effectiveness is concerned.

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