Protect your Windows 10 PC against viruses, ransomware, spyware, and other types of malware with Avast Free Antivirus. Used by more than 400 million people around the world, our free antivirus is fully compatible with Windows 10 and 8.1

On top of our world-leading antivirus, we’re also offering a VPN (virtual private network) tool to keep your online activity private, and a PC cleaner to get your device running at top speed and performance. Avast SecureLine VPN hides your activity, encrypts your connection, and allows you to change your location to access blocked content. With Avast Cleanup you can keep your PC clutter-free, reduce freezing and crashing, and free up disk space in just a few clicks.