How do I activate after the win8.1 license expiration prompt?
win8.1 operating system of computers, notebooks, tablets
First, enter PowerShell in the search function for this machine, and right-click to run as Administrator.
(Get-wmiobject-query ' select * from Softwarelicensingservice '). Oa3xoriginalproductkey directly copy the above information, in the flashing cursor right click once, will be copied there, and then press ENTER, the key appears, if not, repeat the copy once again return. The letters in the red box are the new serial numbers.
Re-open the search bar on this machine and enter "computer information."
Click to change the Product key.
Fill in the new serial number that you just generated.
This will not need to be on the boot when the prompts to disturb, leave a picture to commemorate it.