The original license of Microsoft Windows 10 Pro Operating System. You will receive a link for direct download of Windows 10 Pro with your activation key. It is also possible to receive step-by-step instruction on how to install the system correctly with all required drivers and software by yourself. The activation key may be used on the already installed system, in case of upgrading from Windows 10 Home to 10 Pro or when there is a necessity to reinstall the system on the same device or any other. Licensed for 1 PC The term of the use: Permanent Purpose: For home or office use Language: English Further technical support is available.