AcQuest 1120S Solution 2009 is designed to run on Windows 95, 98, ME, XP, & Vista. It will prepare the four pages of federal Form 1120S, U.S. Corporation Income Tax Return for an S Corporation, K-1's, Sch D, 4562, 4797, 7004, 8825, & Deprn Schs, with the unregistered version limitation that data can be printed but not saved.