Free Avast Home Windows
Minimum system requirements:
AFTER DOWNLOADING AND BEFORE INSTALLING, REMOVE OTHER ANTI-VIRUS PROGRAMS FIRST!
Windows 10 except Mobile and IoT Core Edition (32 or 64-bit); Windows 8/8.1 except RT and Starter Edition (32 or 64-bit); Windows 7 SP1 or higher, any Edition (32 or 64-bit).
Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE2 instructions); ARM-based devices are not supported.
1 GB RAM or above.
2 GB free space on the hard disk.
Internet connection to download, activate, and maintain program updates and antivirus database.
Optimally standard screen resolution no less than 1024 x 768 pixels.