If you bought a full retail "boxed" version of Windows 7 then yes you are quite entitled to move it, you will probably have to ring the Microsoft activation number tho to get it activated on desktop. Make sure its removed from laptop first.
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D&AD Awards 2017: see the best design, advertising, illustration, animation and VR of the past year
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Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.