Amazon has just posted a page showing the Windows 8 Pro upgrade offer for just £49.99 + free shipping for UK owners. This upgrade offer is the same one provided by Microsoft for XP, Vista and Windows 7 users who would be able to upgrade to Windows 8 Pro for the cost $39.99.
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Microsoft has previously announced that Windows 8 Pro would be offered for $39.99 if, users upgrade from previous OS including XP, Vista and Windows 7. Now, a page is live on Amazon (http://www.amazon.co.uk/Windows-Pro-Upgrade-Edition-Vista/dp/B008GRKGXK/ref=zg_bs_599948_1) showing the Windows 8 Pro upgrade for just £49.99.
On the other hand, Windows 8 Release Preview users will also be able to upgrade to Windows 8 Pro for $39.99 when Windows 8 reaches the general availability milestone on October 26.