Avast Antivirus Download Center for Windows 10
The Download Now link directs you to the Microsoft Store, where you can continue the download process. You must have an active Microsoft account to download the application. This download may not be available in some countries.
Publisher's Description
From Avast Software:
Protect your Windows 10 PC with Avast Free Antivirus. The most trusted antivirus in the world is fully compatible with Windows 10 and 8.1.