Although Avast Free Antivirus 2016 by no means offers complete protection, it should be enough for the average home user
Free for non-commercial use
Platform: Windows 8 compatible, Windows Vista 64-bit, Windows 7, Windows 7 64-bit, Windows Vista, Windows XP
Number of downloads: 139787
Consisting of three components, it covers the most common areas of infection and provides regular updates to ensure that its protection is current.
The On Access Scanner scans all files being opened, read and written in real time. It also includes a behaviour blocker for analysing and preventing any unusual behaviour that may originate from a virus.
If you think a virus has infected your PC, simply run the On Demand Scanner selecting exactly which drive(s) and files to scan.
Its Email Scanner integrates directly with many email clients, and checks incoming and outgoing messages for infection. It takes a heuristic approach to virus prevention, learning from experience.
The latest Avast Free Antivirus ships with cloud-based scanning, feeding you with the very latest definition updates, real-time.