Windows 7 Ultimate is the most versatile and powerful edition of Windows 7. It combines remarkable ease-of-use with the entertainment features of Home Premium and the business capabilities of Professional, including the ability to run many Windows XP productivity programs in Windows XP Mode. For added security, you can encrypt your data with BitLocker and BitLocker-To-Go. And for extra flexibility, you can work in any of 35 languages. Get it all with Windows 7 Ultimate. Usage 1) Install your "Retail Windows 7 Ultimate Operating System" on your Desktop/Laptop 2) When you are prompted to enter an Activation Licence, enter the one you have purchased. 3) Your Windows 7 Activation Licence is for 1 pc only. 4) Your Windows 7 Activation Licence is 100% Genuine and Authentic and it will pass WGA test. 5) After Activation your Windows 7 Ultimate will be fully updatable from the Microsoft Website. 6) This Activation Licence can activate the 32 bit or 64 bit versions of Windows 7 Ultimate "Not OEM or RC Versions" 7) Please note that this is just the Activation Licence for Windows 7 Ultimate. If you already have Windows 7 Ultimate on disk and you wish to Activate it legally, this product is for you.