Windows 8 won't officially go on sale until October 26, but Amazon is already giving us a peek at the product's sales page.
Amazon's U.K. site is showing off the Windows 8 Pro upgrade edition, which lets users move up from Windows XP, Windows Vista, or Windows 7. Also on the site is the the Windows 8 Pro Pack, which bumps up the Windows 8 standard edition to the Professional version.
European users can also check out the Windows 8 Pro N Version, which is similar to its American counterpart but without Windows Media Player.
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Windows 8 pops up on Amazon | Windows 8 - CNET Reviews