I need help quickly....program problems.....need 2 write document...how and where?

well here's the thing, i'm taking a Business management course and i have to do a project which is to write a Business plan..well....supposedly i should use word pad to type this out...but i don't have word pad...how do i get it? or what would be the best thing to use to type out a 40-50 page document that needs graphics as well....this project is due in 2 days...any suggestions as to what i should use, i have note pad but that is no good....gg