"will windows recognise that it's on a different computer" err.... yes, because the motherboard and hardware will be different and it will have the wrong drivers.
Is your W7 OEM or Retail or Upgrade? Do you have the disk?
Samsung Galaxy S9 review
Wacom Cintiq Pro 24 and 32 review – hands-on
When is the next Apple event?
Qu’est-ce qu’Amazon Prime ?