Important: Your current Windows version is outdated and no longer supported.
For your security, we recommend switching to Windows 10 or Windows 11 before downloading Avira software.
Update your Windows version here.
Skip to Main Content

Discover the free RAM Cleaner

Easily optimize your RAM for a real performance boost.

Device running slowly? It’s time to clear out old memory and boost available RAM—for free, with these optimization solutions from Avira.

 

Avira Free System Speedup

Understanding RAM and performance

Random Access Memory (RAM): Three little letters and a very large impact on system performance.

What is RAM anyway?

When you start a program, that file is retrieved from the hard drive. It’s then placed in RAM temporarily while you're working with that program. RAM is your digital “workspace.”

RAM and speed

The more RAM you have (and the faster that RAM!), the faster your programs will run. RAM is used up quickly if you’ve got lots of software installed—especially if many different apps fire up at once when you start up.

Don’t buy more RAM. Boost your available RAM:

Identify problem apps and uninstall them. Disable apps that start unnecessarily when you boot up. Get a trusted system optimizer/RAM cleaner (like the one below) to do it all for you

System Speedup for Windows

Discover an industry leader for more stable, turbo performance:

Helps you “lose weight”: Rids your system of all the clutter it no longer needs (system cache, temp files, internet junk, duplicates, etc.).

Tidies up your browser: Removes all online traces and temporary data from every browser to declutter your machine and shield your privacy.

Cleans your registry: Invalid registry entries? Remnants of uninstalled software? System Speedup analyzes the problems and clears them out.

Worried about maintaining your device? Relax.

We hope you have more on your mind than device optimization—that’s why we created OnWatch for PCs and Macs. Use it to schedule automatic alerts to clean your device.

Discover the Avira advantage

We’re proudly Made in Germany. Our multi award-winning software portfolio is the result of 30 years of experience in developing security and performance solutions. In fact, our applications already protect over 500 million devices, so you’re in good company!

Made in Germany.
Downloaded by millions.

4.5/5 - Excellent

24,000+ reviews

Get more speed for free—download now

Enhance the performance of all your devices.

Looking for premium optimization tools?

Discover System Speedup ProFor Windows

Clear memory and boost RAM

Once just an animal with horns, RAM these days is far more technical and can make or break your online and computing experience. Much like a brain, your computer has a chip on its motherboard that houses its short-term memory. This is called Random Access Memory (RAM) and it stores all the data that your device needs to complete active tasks and run programs and processes. When you use up all the space in your RAM, your computer has nowhere to store the data it needs to carry out its tasks. The result? A…slow…machine. Follow our top tips for a digital declutter now and explore the benefits of emptying RAM storage and freeing up memory!

Are programs slow to respond? Do they freeze or crash? Do you click on an icon and wonder if you should make a cup of tea while you wait for it to respond? Your computer may be crying out for more RAM. Other tell-tale signs are display problems, so pages partially load or appear blank. System updates and even booting up seem….to…take…forever…Luckily, when you clear out working memory on your PC with a RAM optimizer, you can often add more pep, especially if you’re using new software on an older machine. So, there’s no need to shop around for a new device (yet).

 

What’s eating your RAM? Meet the resource hogs

Did you know that everything uses RAM? Did you just move your mouse? It nibbled a bit of RAM. Multi-tasking between apps? Now you’re burning RAM. Your operating system and web browser typically consume the most RAM.

Like Netflix? Complex websites that are heavy on graphics and videos generally use more RAM. Gaming loves RAM too, and you’ll need at least 8GB for smooth gaming (16GB is optimal), unless you want World of Warcraft to freeze mid battle. Here’s another culprit: Facebook can run rampant with RAM as it’s always auto-loading content! Android users are convinced it even helps drain battery life.

There are also processes that are always running in the background, such as system updates and security software. They start automatically when you boot up your computer and are guzzling RAM before you’ve even opened your first app.

To see what programs are running on your PC and what they’re up to, open Task Manager by pressing CTRL+ALT+DELETE. Then click on “More details”. A table appears that gives you a clear overview of which apps and background processes are running and how much memory they’re munching. You may be surprised…

open Task Manager

 

Now watch what happens to Google Chrome memory consumption when you add ‘just’ a music video!

Google Chrome memory consumption

 

There’s a free RAM optimizer that may give you a performance boost

You could identify resource-sucking apps and uninstall them and disable the apps that start unnecessarily when you boot up. But there’s a tool for that, and more: Avira System Speedup for Windows can help your PC achieve its leaner beach body by clearing out clutter. Temp files, duplicates, and junk? Deleted. Inactive software? Stopped. System Speedup also defragments hard drives, speeds up booting times and cleans the registry.

Avira performance tools aren’t deskbound, so you can clean out and help speed up your devices for free. Avira Antivirus for Android and Avira Mobile Security for iOS are packed with speed boosters, plus essential online security and online privacy features. Anti-virus protection helps block thousands of online threats, while the RAM cleaner optimizes memory usage by shutting down unnecessary processes.

It’s a fact of life that we all slow down as we get older, and it’s no different with your computer. With the right optimization tools, including a RAM cleaner, you can teach an old dog new tricks. Plus, making technology last longer lets you feel smugly self-assured: You’ve made a smart choice for your wallet and the planet. Here are more tips on the fastest ways to speed up a Windows PC.

 

Prepared to pay for a premium experience? Here it is.

For an extra deep clean and over 40 PC optimization tools, consider Avira System Speedup Pro, which is essentially the free tool with extra muscle. If you’re over-zealous and accidentally delete a folder, it’s no problem. System Speedup Pro automatically backs up your system, so you can restore it or individual files with ease. You also won’t forget to carry out your spring cleans as you can schedule automatic alerts. Keep going for longer with the advanced battery optimizer and feel like a VIP with premium customer support. Find out more about System Speedup Pro here and choose from cost-effective monthly or annual subscriptions.

 

Discover performance that was founded in Germany

Avira was founded in the famed home of efficiency itself over 35 years ago and has been specializing in security, online privacy, and performance solutions ever since. We live in a fast-evolving technological world—and by the time you’ve read this sentence, new cyberthreats may have emerged, and your device will be that little bit older. The Avira portfolio of solutions helps users stay a step ahead. Every product and service is meticulously and continuously updated so that we can all benefit from the latest enhancements, for free.

Learn more about the following

Need to drive performance with our Speed Booster?

PC crawling like a snail? Devices are like car engines. Give them the cleanup and tune-up they need…

Find out how your PC can run like new with our Speed Booster

Want to last longer with our Battery Saver?

Battery icon flashing again? Find out what’s draining it and extend the performance of your mobile devices…

See how to optimize battery life with our Battery Saver

Is it time to clear out the clutter with our Junk Cleaner?

Screen frozen? For more speed, disk space, and performance, take out the trash (like junk files, temp files…)

Free up space and speed up your device now with our Junk Cleaner
Automatically renews, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Automatically renews, unless the renewal is cancelled. Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer for the first #cma_period# until #cma_promo_end_date#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# — #cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# — #cma_promo_saved_price# off the first 2 year price of #cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# — #cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# — #cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# — #cma_promo_saved_price# off the first 2 year price of #cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# — #cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Subscription details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / first #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period# (#cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#), and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / first #cma_period# (#cma_promo_saved_price# off the first 2 year price of #cma_promo_standard_price#), and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period# (#cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#), and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer for the 1st #cma_period# until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer for the first #cma_period# until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / first #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer for the 1st #cma_period# until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period# (#cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#), and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / first #cma_period# (#cma_promo_saved_price# off the first 2 year price of #cma_promo_standard_price#), and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period# (#cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#), and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Price subject to change.
Offer details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Savings compared to the renewal price. Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Savings compared to 2 x annual renewal price of #cma_promo_renewal_price# / year. Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Savings compared to the renewal price. Subscription details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Subscription details below.*
Special offer for the first #cma_period# until #cma_promo_end_date#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Subscription details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# — #cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Savings compared to the renewal price. Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# — #cma_promo_saved_price# off the first 2 year price of #cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Savings compared to 2 x annual renewal price of #cma_promo_renewal_price# / year. Subscription details below.*
Special offer until #cma_promo_end_date#: #cma_promo_price# — #cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Savings compared to the renewal price. Subscription details below.*
Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Savings compared to the renewal price. Subscription details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Subscription details below.*
Special offer for the first #cma_period# until #cma_promo_end_date#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Subscription details below.*
Special offer for the 1st #cma_period# until #cma_promo_end_date#. Automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Subscription details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / first #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / first #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. Special offer for the 1st #cma_period# until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period# and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. Special offer for the first #cma_period# until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / first #cma_period# and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. Special offer for the 1st #cma_period# until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period# and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / first #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. Special offer until #cma_promo_end_date#. When trial ends: paid subscription starts at #cma_promo_price# / 1st #cma_period#, and automatically renews at #cma_promo_renewal_price# / #cma_renewal_period#, unless the renewal is cancelled. Offer details below.*
Payment method required. When trial ends: paid subscription starts and automatically renews, unless the renewal is cancelled. Price subject to change.
Offer details below.*
#cma_promo_price# — #cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#. Then #cma_promo_renewal_price# / #cma_renewal_period#.
#cma_promo_price# — #cma_promo_saved_price# off the first 2 year price of #cma_promo_standard_price#. Then #cma_promo_renewal_price# / #cma_renewal_period#.
#cma_promo_price# — #cma_promo_saved_price# off the 1st #cma_period# price of #cma_promo_standard_price#. Then #cma_promo_renewal_price# / #cma_renewal_period#.
The remaining value left on your current subscription is converted into additional days in your new subscription.
Big savings. Strong online security: 60% off Avira Prime >
Riesen Rabatt. Starke Online-Sicherheit: 60 % auf Avira Prime >