Settings -> Highlighters Settings -> Python. Tab External applications. In the Application entry type the python.exe's path in quotes and "%File%": "C:\Users\xxx\AppData\Local\Programs\Python\Python38\pythonw.exe" "%File%" Then click on Add and OK F9 runs an External Application
Instead of %File% you can specify a specific file name. -- <https://forum.pspad.com/read.php?2,77757,77758> PSPad freeware editor https://www.pspad.com
