Altirra!

Steem is an open source Atari STE emulator for Windows and Linux. It runs almost every ST program ever made without any problems. Steem is designed to be easy to use and has many unique features. Whether you want to run great old games, use MIDI apps just like you did on the ST or you have some other, more sinister motive, Steem is the emulator for you!

Windows port of Atari800 based on the original Atari800Win v2.5c sources.