I recently changed Python version, but “Edit with IDLE” was not shown when you right clicked on a Python file. So I headed down into Regedit and changed this: In both Python.FileShellEdit with IDLE 3.8 (64-bit) and Python.NoConFileShellEdit with IDLE 3.8 (64-bit), the file in command is filled with this: But the “Edit with IDLE” option is only shown with