First, key activation: If your system is genuine Windows, congratulations on supporting genuine Windows. You can directly activate genuine Windows by entering the activation code. If you have the secret key in your hand, you can go directly to activation.

Second, if your Windows is not genuine and there is no installation ID, it doesn't matter, we can also download software activation. Of course, genuine Windows can also be activated in this way. We can search Baidu for "Windows Activation Tool" and find a download that we think is good. Download KMS activation tool here and click Run.

Thirdly, after opening, we found that the software automatically detected the currently installed Windows version, and clicked to activate the corresponding Windows version according to the following list. Soon, you will be prompted to pop up the message of successful activation.

Fourth, through the beginning-> Control panel->; The system can view the activation status of Windows, as shown in the following figure (or press the shortcut key Windows+Pause Break).

If it is not activated all the time, you can send the machine to the local service center for further testing.