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I'm sure there's a simple solution to this, but I can't find it and I've looked all over the forums and used google, so here it is:

I downloaded Dosbox (whatever the newest version is) and Abandonia's version of Sim Tower. I followed the directions so that my screen looks like this:

http://img402.imageshack.us/img402/9797/picture2pr5.png

But the files in the SimTower download, unzipped, are .ex_ which means they need to be expanded. When I type in "expand simtower.ex_" it says "illegal command: expand." How do I expand the files so that I can run the program?

Thank you so much.