1) Registry Mechanic 6 (To Reduce System Lags)
2) Norton Anti Virus 2006
3) Free Internet Eraser
4) K-Lite Mega Codec Pack
5) BitComet
6) Microsoft Office 2007 Enterprise Edi.
7) Mozilla
8) Ad-Aware SE
9) Skype
10) MSN
11) DFX 8 (Windows Media Player & Winamp)
12) Winamp

This is my list after a format and the most important needs