Safe Mode with Command Prompt provides a command line interface for advanced troubleshooting and repair. You can boot Windows into any of the above Safe Modes as per your issue.

If you want to open the Command Prompt window on your Login screen or the Boot screen in Windows, here are different ways to do it.

You can add Safe Mode cascading desktop context menu with options to restart in Normal Mode, Safe Mode, Safe Mode with Networking, and Safe Mode with Command Prompt in Windows 11/10.