Upgrade to Windows 7 Ultimate

Windows 7 legit serials

Serials working for both 32 bit and 64 bit versions.

ISO name: en_windows_7_ultimate_x86_dvd_x15-65921.iso

Source: Original MSDN (My MSDN Account)  

Upgrade windows 7 any version to windows 7 Ultimate

LEGIT SERIAL KEY: 

FHY4Q-VB63H-XK8VD-9Y68P-RFQ43
AND 
J6C9R-C9HHG-3CWTY-Y4MPW-CD72J

PROCEDURE:

 control panel => system & security => windows anytime upgrade => Enter the serial key