Windows can't get a valid certificate for activation, install a valid certificate - vnphamkt/Project-1 GitHub Wiki
- Problem: Windows can't get a valid certificate for activation, install a valid certificate
When user log into windows, Windows show it cannot get a valid certificate for activation on the bottom right corner.
"Windows can't get a valid certificate for activation, install a valid certificate"
- Solution
Verify Issue exists with license
Open Command Prompt type: slmgr /dli
This command shows part of the product key and an indication of whether the license is active. Other details might be included here, too, like the Key Management Services (KMS) machine IP address, activation renewal interval, and other KMS information.
slmgr /rearm
This reset the trial by reactivating the same key, extending the time that windows is allowed to be used officially.
slmgr /ato
To activate windows, via online
Change Windows Product Key slmgr /ipk 12345-12345-12345-12345-12345
Change Remote Product Key slmgr /ipk mattpc Matt P@ssw0rd 12345-12345-12345-12345-12345
- Backrgound