A 90 day evaluation version of Windows 8.1 Enterprise is available for a free download. Also, current Windows 8 users can upgrade to 8.1 for free.
The Windows 8 equipped Surface Pro will be available through Microsoft retail stores, Best Buy, and Staples in U.S. and Canada.
If you’ve been considering the move to Windows 8, time is running out. On February 1 the special introductory offers for Windows 8 upgrades are over, meaning significant price increases for the basic and Pro editions.