I’ve been using a Mac the past 2 years in Kelley, and I’ve been fine. K201/204 and K303/304 are Excel/Access classes all students are required to take, and most people with Macs either use IU Anyware to access a PC desktop virtually or they go to a physical PC desktop on campus. If you’re majoring in Business Analytics or Information Systems you may do classes that use more complicated programs, but I’m not sure if you absolutely need a PC.