You're going at it the wrong way.
Those are DOS games.
You don't run their executables in Windows. You don't install them in Windows, either.
To run them in DOSBox, you first have to start DOSBox and then start the games from it. It does
not start automatically.
Here's a guide to get you started:
http://www.abandonia.com/vbullet/showthread.php?t=14406