You must install Windows 10 system before order the product key.
You must make sure your system edition is Windows 10 before order the product key.
We only sell the product key of Windows 10. If you need the system installation package, please download from the Microsoft official website.
After order, delivery of the Windows 10 product key to your email.
The license key has 25 digits which includes consists of numbers and capital letters, such as XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.