DOS Games made for DOS require an emulator to run on Windows. Use DOSBox or a frontend like D-Fend Reloaded and read this guide to play DOS games on your Windows PC.
The Ultima V box contained:
The game box differs between editions only by screenshots on the back. The Atari ST version depicts (left to right): a giant mouse in a dungeon; Castle British area including the player, a ship and a headless; and battle screen with player casting 'In Flam Hur' on various skeletons. The first IBM version depicts (left to right): a fountain in a dungeon; Castle British area including the player, a ship and a horse; and the interior of an inn.
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