
Check If Your Windows License Is Retail or OEM
If you're troubleshooting activation issues or planning to transfer Windows to a new computer, kn...

If you're troubleshooting activation issues or planning to transfer Windows to a new computer, kn...

You try to visit a secure site in Chrome and get an error like ERR_SSL_PROTOCOL_ERROR or...

You open the Microsoft Store on Windows 11, but your app library isn’t updating, purchases aren’t...

You try to start a service or application, and you get an error like "port already allocated" or ...

You open Microsoft Teams and see a message that you're offline or that Teams can't verify your in...

If Microsoft Teams keeps crashing on you—freezing, closing unexpectedly, or failing to start—you'...