When some students use pip to install a third-party library, the system reports an error, indicating that pip is not an internal or external command, nor is it an operable program. This is because when installing python, add python 3.8 to path was not checked. After installing python in Win10, how to solve the problem of error or app store pop-up when entering python command in cmd? [Picture] Win10 will pop up the app store to let you download python, win7/8 will report an error python is not an internal command or an external command, nor can it. Kaggle cannot be used in Python, what should I do? After successfully installing kaggle with pip in python, it prompts when using it: 'kaggle' is not an internal or external command, operable program or batch file [Picture] [Picture⦠Show all Follow.