My clean pc antivirus

Our detailed guides will show you how to clean your computer of viruses, how to clean viruses from your laptop, and how a phone virus checker can protect your mobile devices:. How to remove a virus from Android. How to remove a virus from iPhone. Get Avast Free Antivirus for Windows.

Get free Avast Security for Mac. Get free Avast Mobile Security for Android. You should perform virus scans and use malware removal software on all your devices. Any device that can go online can get viruses or other types of malware.

This means that your Mac and phone may be vulnerable to viruses. While Android devices are more likely to get infected than iPhones or iPads, iOS devices are vulnerable to other security threats. Removing adware and protecting against ransomware are important for any device. A virus scan checks your computer or mobile device for viruses, worms , and other types of malware. Many online virus checkers look for known viruses, while some — including Avast Free Antivirus — can detect signs of unusual behavior that may indicate new types of malware.

All you need is a PC with Windows 11 , 10 , 8. Get free threat protection for your iPhone with Avast Mobile Security. Other Threats. Internet of Things. See all Security articles. IP Address. See all Privacy articles. Our Software Updater helps patch security holes for you silently, saving you the hassle of finding, downloading, and installing the updates yourself.

Bug fixes are part of many updates, so Software Updater helps you enjoy your software with fewer annoying crashes and error messages. New updates often bring new features. Software Updater installs the updates for you automatically, so the next time you open your favorite app, any new features will be ready to go.

Our Avast Cleanup release has exceeded expectations in our internal tests. Here are the official, mouthwatering numbers for all of you data lovers. Full white paper coming soon! Think Macs are clean? Think again. Our Cleanup for Mac helps you detect hidden junk files, large files, and even blurry or duplicate photos. Detects leftover data, hidden battery drainers, and helps you organize your phone.

We also detect blurry and poor photos for you to delete! Get more speed, space, and order in a few taps. In desperate need of a computer cleanup? Check out these 5 ways to clean up your PCs hard drive for better long-term system performance and disk space.

Computer running slow? There's a solution! Discover how to speed up a slow PC and improve computer performance. Games running slowly? Slow phone data and internet speed is a huge inconvenience, especially when you're on the go. Discover quick tips to boost your phone's internet speed here. What is the Windows Registry?

Find out how it works, how to open it with regedit the registry editor , and how to edit it with our simple guide. Learn how to upgrade the speed and performance of your Mac with an SSD. Experiencing lag while gaming? Find out which one is the most suitable for you. United States English. In order to view this page correctly, you must have a JavaScript-enabled browser and have JavaScript turned on. We apologize for any inconvenience. Learn how to enable it. Get your PC back to running like new:.

Try it free for 30 days. Download trial. Speed up, tune up, and revive your PC. Puts apps to sleep. Removes bloatware and forgotten programs. Defrags and optimizes your hard disk. The more programs you install and use, the slower your PC becomes for three main reasons. Startup items Many programs run automatically when you turn your PC on, significantly slowing its startup time.

Scheduled tasks Your software often sets its own schedule and can suddenly come alive and slow down your PC. Speed up with Sleep Mode Our tuneup process detects performance drains and stops them for you, without making you uninstall programs or interfering with your PC. Wake up Launch the program you put to sleep, and let our smart algorithm automatically enable all of its background activity.

Junk programs and bloatware removal. Clean it all up Take the guesswork out of figuring out which programs you no longer need with our cloud-based reputation and unneeded-program detection systems. Give your PC a proper cleanup. Running out of disk space? Not anymore. Avast Cleanup scans your PC from top to bottom to remove gigabytes worth of leftover junk files from more than applications, browsers, and even Windows.

Cleans up your browser. Nukes unwanted plugins and toolbars. Frees up space. Get rid of the daily clutter Every day you use your PC, it becomes cluttered with leftover files from Windows, your programs, or just from browsing the web. Your PC comes with more than built-in components: the Wi-Fi chip, the processor, the graphics card, the power button, and loads of other parts. All the components are controlled by device drivers , which are small, complex pieces of software.

And just like any piece of software, drivers can be faulty and fail to deliver the full potential from your hardware. Microsoft constantly tweaks Windows. Microsoft has stopped issuing security updates for Windows 7, so moving to Windows 10 will give you much more protection against vulnerabilities that can be exploited. The Windows Registry is a crucial part of your Windows operating system.

It often contains hundreds of thousands of entries, out of which thousands might be invalid or empty. Registry cleaners find these problematic entries and delete them or fix them as needed to clean up your registry and speed up your PC. If your PC is running slow despite all your noble efforts, scan for viruses and malware with dedicated security software. Get it for Android , iOS , Mac. Get it for Mac , PC , Android. Your PC or laptop fans keep your computer cool by cycling air through it — but they also collect loads of dust.

Excess dust slows down or even stops your fans, which traps heat and leads to poor performance and frequent crashes. Place laptops and desktops on hard, flat surfaces no carpets and try to avoid using your laptop in bed. To prevent all apps from running in the background, flip the toggle next to Let apps run in the background to Off.

To prevent individual apps from running in the background, flip their respective toggles to Off. Windows troubleshooters are built-in optimization tools that analyze your system and suggest ways to quickly optimize performance. Select Troubleshoot from the left menu. Windows features a range of stylish visual effects, but you can improve performance by turning them off.

Type adjust appearance into your Cortana search bar or directly into the Start menu. Then, press the Enter key to open the Performance Options. Select Adjust for best performance to let Windows optimize visual effects automatically. You can also enable or disable individual effects. But a virtual memory increase is only for advanced users. If you rely too heavily on virtual memory, performance may suffer severely.

To increase virtual memory in Windows 10, open your Settings and select System. Select About from the menu on the left. Then, select System info from the Related settings on the right. This opens the System settings in your Control Panel. Select Advanced system settings from the options on the left to open the System Properties window.

Click the Settings button in the Performance section to open the Performance Options window. Uncheck the box next to Automatically manage paging file size for all drives. Instead, select Custom size. At the bottom of the window, note the Recommended and Currently allocated memory amounts.

If the latter is smaller than the former, set the Recommended amount as the new Initial size. Set a Maximum size that is larger than this value. The following formula can help you calculate your Initial and Maximum virtual memory: Set the Initial size as 1. Finally, restart your computer. Over time, your computer collects a wide range of unneeded files, apps, and other data — and this can waste storage space while slowing things down. Find out how to clean out your hard drive, how to identify and remove useless programs, and how to migrate your files to cloud storage to free up more space on your PC.

Deleting temporary files can quickly free up lots of storage space. On Windows 10, open the Start menu and type disk cleanup. Click Run as Administrator to open the Disk Cleanup utility.

Then, click OK to delete them. You can also find your temporary files in Windows 10 via the Settings. Open your Start menu, click the Settings cog, and go to System. Under Storage , click your hard disk and select Temporary files. On Windows 8, click the Windows icon in the lower-left to open the Start menu, then type disk cleanup.

Select Free up disk space by deleting unnecessary files from the search results.