Quote from Shadowww :

GTA III works, GTA Vice City works, GTA San Andreas works, GTA IV works, iTunes works. What I am doing wrong?

everything!

Install Windows 7.

/thread.

Quote from Stang70Fastback :

Install Windows which is not yet released.

/thread.

Fixed.

But already outclasses windows vista.

Quote from Shadowww :

Fixed.

Windows 7 is already released.

Quote from three_jump :

Windows 7 is already released.

I don't think you can buy it at any shop.

Just because you folks can buy it in a shop doesn't mean it's not been released.

The RTM version has been availble over my msdnaa account for weeks now.

EDIT:
http://www.askvg.com/windows-7 ... ct-msdn-technet-august-6/