Windows10 Pro 32/64 OEM original key

This Windows version can be ONLY used for 1-time installation on 1 PC only and is NOT transferable. It can be also used to upgrade lower versions of Windows to Windows 10 Professional.  After activation, the key will be permanently integrated on your device, No matter how many times you reset, the Windows key will always be active, If you need to upgrade to Windows 11, you don’t need to buy a new key, you can upgrade for free.
Before upgrading to Windows 10 Pro, make sure your device is up to date and running the most recent version of Windows 10 Home.

1. Press the Windows key/logo, go to Settings > Update and Security > Activation.

2. Click the Change product key.