S
Sankar Rajan
Apr 08, 2014

upgrade to windows 8.1

I brought a sony vaio with pre-installed windows 8.I dont have product key.how can I find the product key in my Lap,otherwise any other way to update to windows 8.1?

jimlynch
04/09/2014
You might want to check with Sony's support people:

http://esupport.sony.com/EN/VAIO
Answer this