AVG for Windows XP

John, Operation Systems Supported
AVG AntiVirus Free Edition 2015 is intended to protect workstations with the following operating systems:
Windows XP Home Edition SP2
Windows XP Professional SP2
Windows XP Professional x64 Edition SP1
Windows Vista (x86 and x64, all editions)
Windows 7 (x86 and x64, all editions)
Windows 8 (x32 and x64)
(and possibly higher service packs for specific operating systems)
AVG Guru

Can I use the free AVG version for my Windows XP system?

Noticed that I can download past AVG versions as well as, is that a better way to go to obtain a version that will work?

John, Operation Systems Supported
AVG AntiVirus Free Edition 2015 is intended to protect workstations with the following operating systems:
Windows XP Home Edition SP2
Windows XP Professional SP2
Windows XP Professional x64 Edition SP1
Windows Vista (x86 and x64, all editions)
Windows 7 (x86 and x64, all editions)
Windows 8 (x32 and x64)
(and possibly higher service packs for specific operating systems)
AVG Guru