Disclaimer
Scripts are open source for safety and educational purposes.
This does not mean you won't get banned if using on public servers.
Ask for permission before using on public servers.
Installing AHK
Installing with default settings is fine (just keep clicking next)
After installing, right clicking an AHK script should show these options
Auto Fishing
Color based
Simplest method
Zoom in hotkey must be set to C
Run script and press 1 to start, the script should zoom in and throw the fishing line
Make sure fishing bobber is in the center of the screen
Text based
Requires downloading Capture2text
Sound based
No focus required
Run script, throw fishing line and hold 3 until a fish is caught, let go immediately.
Press 1 to start script.