Avast antivirus contains all of the features you would expect in a modern antivirus program. It incorporates anti-spyware technology certified by West Coast Labs’ Checkmark process, as well as anti-rootkit and strong self-protection capabilities,
Improvements in Avast Antivirus 5.1
- Added support for sound packs.
- Improvements in Behavior Shield and cleaning of malware infections.
- Improvements in Antirootkit engine and cleaning module.
- Enhanced stability and performance improvements in Web Shield and Network Shield
- Sandboxing feature and minor improvements in the user interface and Firewall
- Boot-time scanner now available even in 64-bit Windows
Download Avast Antivirus 5.1 Free Version from here (Direct Link)
Download Avast Antivirus Pro version from here (Direct Link)
Download Avast Antivirus Internet Security from here (Direct Link)
If you are already using Avast Antivirus 5 free version then you will be automatically upgraded to Avast 5.1 very soon. If you don’t get new update automatically then you can manually update it via GUI of Avast 5.