Welcome to the tutorial of how to upgrade from windows 8 to 8.1

First things first. Backupp all your data including documents pictures music n videos

 

2ndly you will need to update our windows to latest updates.

Windows actually need two major updates for it which is kb2917499 and kb2871389. Which should be installed on your pc

Below are the links of these updates u can download them here manually

http://support.microsoft.com/kb/2871389

http://support.microsoft.com/kb/2917499

 

As you download n install these updates you are now on auto pilot zone

 

You just need to tap the store click on the update windows

and do u work u were doing Once download

 

restart your pc setup will take hardly 10 15 mins and

hollaaa you are now on window 8.1