2. AVG Installation Requirements 2.1. Operation Systems Supported AVG 8.5 Internet Security is intended to protect workstations with the following operating systems: ï· Windows 2000 Professional SP4 + Update Rollup 1 ï· Windows XP Home Edition SP2 ï· Windows XP Professional SP2 ï· Windows XP Professional x64 Edition SP1 ï· Windows Vista (x86 and x64, all editions) (and possibly higher service packs for specific operating systems). 2.2. Minimum Hardware Requirements Minimum hardware requirements for AVG 8.5 Internet Security are as follows: ï· Intel Pentium CPU 1,2 GHz ï· 250 MB of free hard drive space (for installation purposes) ï· 256 MB of RAM memory 9