Tao Software Development Company enables users to run DOS software on all new operating systems common in businesses, using Windows 8, Windows 7 (32 and 64 bit), Vista, XP, 2000, and Windows Terminal Services for displaying, printing, remote control operation, and more. Taos ExDOS software allows users to upgrade their systems from DOS software, 16 bit, UNIX, and AS400 to any modern Microsoft operating system, with no compatibility problems.