Full version contains the 32 and 64 bit editions of DVD and a product key provided in the form of a credit card. Having successively XP, Vista and 7, this is the best operating system of Redmond: - Starting in seconds - Unprecedented Reactivity - Powerful Copy Manager Microsoft continues updates that go in the right direction with Update 1 Do not forget to install Windows 8.1 in UEFI mode to benefit from the latest refinements.