Today Microsoft has released the Windows 8 Release Preview to the public and along with that they have also outlined their plans for users looking for a Windows 8 Upgrade Offer
Starting June 2nd, 2012, Microsoft will begin rolling out the Windows Upgrade Office in 131 marking including the US and Canada. Consumers who purchase an eligible Windows 7 PC which is preinstalled with Windows 7 Home Basic, Home Premium, Professional or Ultimate and include a matching and valid OEM certificate of Authenticity through January 31, 2013 will be able to purchase an upgrade to Windows 8 Pro for $14.99 (USD) which will be redeemable when Windows 8 is generally available.
Consumers who register for the Windows Upgrade Offer will be able to download Windows 8 Pro starting the day it is made available and the upgrade will come with 90 days of support from Microsoft.
Until then you can Download and try out the Windows 8 Release Preview and get yourself acquainted with the latest features which will be available in the next version of Windows.