Download Now...It is an antivirus that is FREE OF CHARGE for non-commercial & home use.
Features:
- Engine: Blocks viruses & spyware
- Remote: Allows assistance from a geek friend
To run avast! Free Antivirus, your PC must meet the following criteria:
Operating Systems Supported
- Windows 8 (any Edition, 32-bit or 64-bit)
- Windows 7 (any Edition, 32-bit or 64-bit)
- Windows Vista (any Edition excl. Starter Edition, 32-bit or 64-bit)
- Windows XP Service Pack 2 or higher (any Edition, 32-bit or 64-bit)
- Microsoft Windows 2000 Professional Service Pack 4 (incompatible with avast! Account)
Minimum Hardware Requirements
- Pentium 3 Processor
- 128 MB RAM
- 200 MB of free hard disk space
Please note that avast! Free Antivirus runs only on PCs with Windows 2000 Professional Service Pack 4 and newer.
For best results, remove any other antivirus software from your PC before installing avast! 
