A common error is: 'python' is not recognized as an internal or external command, operable program or batch file. or: 'pip' is not recognized as an internal or external command, operable program or batch file.
Luckily for you, this error is easy to solve!
###What's wrong: Windows defines commands in something called "enviroment variables", if a program isn't here, Windwos doesn't understand what you mean. ###How to solve this: If you install python, it can automatically set the correct enviroment variables. However, if you didn't enable this feature, you need to do it manually. ###How to set them manually: Step 1] Press the WindowsKey + Pause/Break (Or rightclick on "This PC" and select properties)