Home > Article > Operation and Maintenance > What should I do if the cmd prompt in win10 system is not an internal or external command?
The solution is as follows:
1. Right-click the computer and select [Properties];
2. Click Advanced System Settings;
3. Switch to the [Advanced] column and click [Environment Variables];
4. Find "windir" in the system variables (if not, create a new variable with the same name), and edit its variable value as "%SystemRoot%", click OK.
Recommended tutorial: windows tutorial
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