Lastly, these keys should only be used for temporary activation. Ultimately, you will have to buy a genuine license from Microsoft to activate your Windows.
How Do I Install Windows 10 on a New Hard Drive ... then select Next. Input your license (or product) key. The following screen will give you hard access to all the drives installed on your ...
Now you can just follow the instructions to install Windows to your PC. 4. You'll need a license key to complete the Windows 10 setup, but you don't actually need it to get Windows up and running.