AcQuest 1120S Solution 2006. Windows 95, 98, ME, XP & Vista. Prepares Form 1120S, U.S. Corporation Income Tax Return for an S Corporation, K-1's, Sch D, 4562, 4797, 8825, & Deprn Schs. With unregistered version, data can be printed but not saved. AcQuest ...