Step 1: Creating the document.
This will create the document u need to create the command prompt.
Step 2: Editing the code.
Right click on the document and select edit.
Type @echo off
title custom command prompt (or just title it anything u want) color 0a
set /p cmd=command: (or type in anything you want)
Click save not save as just save.
Exit notepad and click on the document u created it will open your own command prompt.