It is vital to distinguish between the standard and Pro models, as they use completely different operating systems and processors. : OS : Runs Windows RT 8.1 .
: Only runs apps from the Microsoft Store; it cannot run standard Windows desktop (.exe) files. surface 2 to buy
: Runs full Windows 8.1 (and can typically be updated to Windows 10 ). It is vital to distinguish between the standard
: Usually came bundled with a special RT version of Microsoft Office. Weight : Much lighter and thinner than the Pro. Surface Pro 2 : surface 2 to buy