Symptom
'npm' is not recognized as an internal or external command,
operable program or batch file.Cause 1: Node.js Is Not Installed
Download and install the LTS version from https://nodejs.org
Cause 2: PATH Is Not Set
- Search “environment variables” → edit “Path”
- Add the Node.js install path (e.g.,
C:\Program Files\nodejs\) - Restart the terminal
Cause 3: PowerShell Execution Policy
Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUserCause 4: Terminal Not Restarted
Always restart the terminal after installing Node.js.
For a better terminal experience, see Set Up Windows Terminal.
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- How to Install Git on Windows and Configure It
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