Help with AutoIt and botting

This is my first time using a bot and im a lil confused... I downloaded auto it and opened it went to file and selected (New) copied and pasted the code for the Labyrinth lvling bot and now im a little confused as what to do any help would be greatly appreciated... Thank you for your time

To run the .au3 bot you don't need to copy and paste anything, just double click it (or alternatively right click and hit compile (or compile x86 if you're running in 32 bit operating system)