1. Press Win + R keys to launch Run window and type “cmd”.
2. If you are Windows 10 user, then press Win + X to open Quick Link menu and press C.
3. If you are the RStudio user, then switch to Terminal in your Console pane.
How to quickly open Windows command prompt
You can also press the Windows key and start typing CMD and hit enter when Command Prompt is at the top of the list.