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System Requirements:
To run avast! Pro Antivirus, your PC must meet the following criteria:
Operating Systems Supported
- 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)
Minimum Hardware Requirements
- Pentium 3 Processor
- 256 MB RAM
- 380 MB of free hard disk space
Please note that avast! Pro Antivirus runs only on PCs with Windows XP and newer. Older Windows operating systems (Windows 95/98/ME/NT/2000) are not supported.
For best results, remove any other antivirus software from your PC before installing avast!