One user / lifetime Linked to a Microsoft account Key Type Retail / Retail Supports 32 and 64 bit cores Supports all updates Supports Arabic, English and all other languages The key can be moved from one device to another and can be reused after formatting Supports upgrading from Windows 10 Home to Windows 10 Pro - Activation method: Select the Start button, then select Settings> Update & Security> Activation.   How to purchase: Add the product to the cart, click on the basket above> click on "complete order"> choose the method of payment and click "complete payment"> receive your key.   If you have Windows 7 or 8, you need to upgrade to Windows 10, click here     In case you need help, talk to us via instant chat within the store below on the left Or contact us via WhatsApp (by clicking here)