The current windows customers have to download the windows upgrade assistant to upgrade their PC and can go through the online payment process and download it or give them a shipping option. After downloading you can upgrade your PC to Windows 8.
In India Windows 8 has been priced to Rs. 1999 for the downloadable OS.
Ad presented by Microsoft in Indian market
Song used in Ad of Windows 8
Song: Daav Laga
Singer: Sona Mohapatra
Movie: Aagey Se Right