
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...

If your internet stops working after a Windows update or firewall configuration change, Windows D...

You open Outlook on Windows 10 and see an error like "Outlook module not found" or a missing DLL ...

You launch Microsoft Teams on Windows 10 and see an error like "Can't connect to server" or "DNS ...

You open Microsoft Edge, it tells you there's an update, but the progress bar sits at 0% and does...

You open File Explorer, type a filename or keyword into the search box, and nothing happens — or ...