Download Python and the __main__.py file
Install gd.py by typing py -m pip install https://github.com/NeKitDS/gd.py/archive/master.zip pywin32
Open geometry dash
Open level you want to work on
Open the directory of the bot in command prompt
Type py . in console
Replays are saved automatically when you either type CTRL+C in the console or when you beat the level.
If a got 100% of the level, it will save a replay.json file. You can save this anywhere and to replay it, put the replay.json file back in this folder and type py replay.py. This will replay a single level the bot learned