How to Fix slmgr is Not Recognized as an Internal or External Command

Learn how to fix error: slmgr is not recognized as an internal or external command

If you are getting error “slmgr is not recognized as an internal or external command” after entering slmgr -rearm command.

So something you are doing wrong, there are many reasons to why you are getting an error message.

Sure all the following point that’s your are doing correctly.

These following reasons may be causes of getting error

Reason 1. Check you have type SLMGR -REARM command Correctly.

Solution: Type command slmgr -rearm

Reason 2. You might not be opened Command Prompt as Administrator.

Solution: Open CMD prompt as administrator and try slmgr -rearm

Still getting error Just try “SLMGR /REARM” instead of “SLMGR -REARM”.

Reason 3. slmgr.VBS file might have any other extension.


a. Go to My computer → C Drive → Windows → System32

b. Scroll down until “slmgr.vbs.REMOVEWAT”.

c. Right click on it and rename it to “slmgr.vbs”.

If you don’t find “REMOVEWAT” extension, remove any other extension at the end of slmgr.vbs.

You have done all the things correctly and I am sure Now your windows is genuine.

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