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.

Method 2: Open Elevated Command Prompt via Power User Menu Opening an elevated command prompt using Power User menu is applicable to Windows 8 or Windows 10 only and not available on older versions.

You can open the Command Prompt on a PC by right-clicking the Start icon, by searching for it, or by opening the Windows System folder.