How 2 unlock luigi in supeh malleo 64

first u beat teh game den u must beat it on teh second file except for teh final levl then do all of teh third file den go to second file and beat last level but instead of fighting bowser jump off teh cliff and you will land in a dark version of peachs castle and u must beat teh game again on high difficulty den you must do teh fourth file den you must go back to teh second file and kill bowser and then luigi will come and delete ur files den you play teh third file and you are luigi

de end