It includes the best Windows Vista themes out there, such as M11, Vista Elegance, Aero Dynamic, Vista Ultimate 2nd generation, etc.

This pack has the following visual styles included:
Aero Dynamic v3
Chocolate Vista
Clear Vista
LongVista
M11 Final V1
NV2 Final Theme
Ultimate Dark
Vista Elegance
Vista Summer
Vista Ultimate 2nd Generation

Unpack rar file then copy both parts inside the folder to
C\Windows\Resources\themes
Then right click on desktop then goto personalize\theme then select from there