It depends what you want really. AVG anti virus can be located at http://free.grisoft.com/doc/1

Spybot search and destroy spyware remover can be found at www.download.com

Windows XP Sservice Pack 2, Windows Media Player 10, Microsoft Antispyware Beta can be found at www.softwarepatch.com/windows

The div x player (handy for playing films) can be located at www.divx.com