How to activate Windows 10 with the key from Key-Soft.pl?

 If you bought KEY for Windows 10 from Key-Soft.pl, you will receive it to your email address within minutes after placing your order. KEY will also be available in your account at Key-Soft.pl.

https://key-soft.pl/en/blog/how-to-activate-windows-10-with-a-key-from-key-soft-en