i found https://github.com/LiveSplit/LiveSplit.SuperMeatBoy that link when i downloaded isn't there supposed to be .asl file. I dont really know how to set it up this way and i cant find if there is new version

are you using ogversion? the autosplitter doesnt work on 1.2.5. aside from that, i cant be much help sorry

Very late reply (sorry), but if you go into livesplit, open the splits editor window, and set the game to Super Meat Boy, you should see a line of text in the window that says auto splitting is available.

From there you can activate/deactivate it and change the autosplitter settings by hitting the buttons, etc