Microsoft Windows 8 PreOrder
Windows 8 Pre order can be done online on Amazon , BestBuy , Windows site and other online portals which you can refer this post for more informations on Windows 8 here
Microsoft 8 Price Details :
You can order a Windows 8 Pro DVD upgrade for $69.99 . ( Only in U.S )
You can Upgrade to Windows 8 Pro for only $39.99 from October 26th 2012 .
Windows 8 Professional Full Version 64-bit and 32-bit OEM version ( Fresh install ) will be available for $139.99.
Windows 8 Price in India :
If you bought a PC or laptop with Windows 7 after June 2nd 2012 or planning to buy a new Pc/Lap by before January 2013 ,you have awesome offer of upgrading to Windows 8 OS for Rs. 699.99.