Microsoft has revealed today that to upgrade from Windows 7,Vista and XP to Windows Pro 8 you will have to pay $39.99.The upgrade will be available in 131 markets all over the world.Like Apple did with Mac OS X Lion,Microsoft is following the same path of upgrade however Windows 8 disc will be available in the market.With all that news we can see that Windows 8 is in its final stage and Microsoft can launch the next version of OS any day.The DVD version of Windows 8 Pro will cost you $69.99 which is quite high than the online upgrade.Apple made it $19.99 at their last WWDC 2012 event which is quite satisfactory.Tell us below in the comment what do you thing about the cost for this upgrade.Will you upgrade or will remain with your current version?

Source:The Windows Blog