 If the program were installed in an older Windows 3.1 system, it can be manually zipped then moved to a Windows 9x or NT-based system and will work properly under the 16-bit WOWEXEC.While the program pre-dated the introduction of Windows 3 and True-Type, it is otherwise compatible with a modern installation of Windows XP.The user has only a single system font in all screen displays and printed output.