Some computers that are factory-installed with Windows 8 or Windows 10 verifies that the computer has Genuine Windows 8 OS and has a factory “injected” Product Key on the Physical device on PC. The Product Key for Windows 8.1 was attached as a label on the computer so multiple users can copy that product key or chance of misuse. Preinstalled Windows 8 and Windows 10 computers or laptops differ from previous versions of Windows. Users can not extract the original windows 8.1 product key. The key is now embedded in BIOS with a special tag and can be retrieved automatically during the activation process of Windows 8. The main intention for this new change by Microsoft is to limit the number of keys being stolen. The System automatically identified the working Windows 8.1 key associated with that system and activate Windows 8.1 on that machine. You might be thinking “How to insert product key when I format system” and the answer is you don’t need to. Now If you buy a Windows 8.1 or Windows 10 pre-installed computer, you will no longer see a tag on the back or top of the machine or laptop.

The OEM license model has changed after Windows 8 release. So, Windows 8.1 is a free upgrade to Windows 8 users, so why Microsoft decided to make this so complicated is a mystery. If you have a valid Windows 8.1 key, you can’t install Windows 8 with it. If you have a working Windows 8 key, you can’t install Windows 8.1 you have to install Windows 8 and use the free upgrade to Windows 8.1 OS on the Laptop of the PC. Microsoft announced that Windows 8 PCs no longer have a Certificate of Authenticity tag with their product key printed on it.

Notice that you can not use Windows 8 key on Windows 8.1 System.

Having trouble in finding working Windows 8.1 serial keys? Here you can find all the working and genuine Windows 8.1 serial keys for your laptops and PCs. Looking for Windows 8.1 product key for free then follow this guide and get your free Windows 8.1 key.

Windows 8 serial number