When you enter the correct Windows 10 Activation Keys, then your windows get activated immediately. During the installation, Windows 10 will ask you to enter a Product Key without which you can’t proceed. There are numerous ways by which you can activate windows 10. Windows 10 Professional Product Key 2024 (Newly Added) Windows 10 key follows the following pattern- XXXXX-XXXXX-XXXXX-XXXXX-XXXXXįor Example, the Followings are the Working Windows 10 Serial Keys.