windows 7 home premium x64 sp1 upgrade

[arezz]

i using windows 7 home premium x64 sp1, so want upgrade to w7 ultimate x64 sp1..i just want to know what will happen to my installer and install driver on program file after upgrade windows.. do i need to reinstall new driver and software..Does upgrade process just only change version of windows..

 

[gregrocker]

To do what you want, type Anytime into Start Search box, choose Anytime Upgrade, insert Ultimate Product key to unlock the few extra (expensive) features in Ultimate which you should be sure you really need.

Windows Anytime Upgrade - How to - Windows 7 Forums
Compare Windows 7 Editions - Windows 7 Forums