The installation instructions apply to the following versions:
Go to the taskbar at the bottom and click the Explorer folder.
Now go to the Computer tab, then right-click in the empty field and open the properties.
Now go to Change Product Key.
Now you can enter the product key in the field and then click Next.
Be patient for a little while longer, the activation will pass.
Your Windows Operating system is now activated.
Have fun with your product!