Works Great!
Didn't try to change windows, but when I did hopefully the key will work.

Your key appears immediately after your transaction completes in the ORDER HISTORY page. Just as explained in the description. I entered the key on the Microsoft website and downloaded the apps immediately and they're now tied to my microsoft account. I love this website and will be buying a lot more from here in the future. Thanks Daniele!

How many times is available for activation ?

The first time I make ordered the Windows 11 Pro activation key, It is work.
Thanks

Works great, ty gamers outlet