http://rapidshare.com/files/225214926/Vista_X-Free.AO_2.1.2.1.2.rar.html
here you go.
Download the "Vista Activation Crack"
Extract this file. Run it. on the right side, select any brand name (for example DELL) & hit "Install".... after that restart your computer.
& guess what
You windows is activated now for unlimited lifetime :D