Press Win + R, type cmd, and press Ctrl + Shift + Enter to open Command Prompt as administrator. Type the following command: ...

The Windows 7 System Recovery Command Prompt is a text-based console that allow you to perform maintenance and recovery tasks on your computer by typing the commands that you would like to execute ...

Format or delete C drive with using Command Prompt (CMD). This allows you to remove all data and reinstall Windows 11/10.