
Most of the users use Microsoft products especially windows 7 as OS,now try Windows 8 which will run better on any computer that runs Windows 7 perfectly.
What you are required to do is:-
1.Download windows 8
2.But before you download Windows 8, check that you have created a Windows 7
installation disc and that you have backed up all your programs and data
(which Windows 7 makes easy).
Upgrades sometimes go wrong and after trying Windows...