Windows 7 Ultimate: Help?

Ello my version or windows 7 RC Ultimate is going to expire in 13 days…does anyone know where i can buy Ultimate? every where i look i cant see to find it in ANY store…and its cheaper to buy it in a store than on the microsoft site x.x help please thanks>keyword windows 7

Only for students and don’t need Ultimate, visit following link.

MSDNAA subscriptions.(only for students)

for normal users.

You can’t use any softwares from MSDN, Technet subscriptions in your office.

If you are not a student and don’t use Windows in your office, I strongly recommend you