: If you have a legitimate key, you can enter it by going to PC Settings Activate Windows or by using the command slui.exe 3 in a Run dialog ( Windows Key + R Phone Activation
Windows 8.1 reached its end of support on January 10, 2023. This means Microsoft no longer provides technical support or software updates. For the best "exclusive" experience, it is highly recommended to use your Windows 8.1 key to upgrade to a newer version of Windows. activador windows 81 pro build 9600 exclusive