Microsoft has announced that their customers can upgrade to Windows 8 PRO at $40 , Rs. 40, Euro 32.when it will released later this Year.
This is a huge shift in price as Microsoft took around $ 120 for Windows 7 Home Premium and upto $ 190 for Professional. This creates a good impact for all the buyers as they will upgrade in their present computer as if before they would buy it in their New Computers.
Microsoft has already posted instructions on how to upgrade to Windows 8 on its Blog.