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Sim tower is one of my favorite game's of maxis. But since the windows 7 update by x64 drivers it screw up everything. So if you guys can port the dos version of sim tower to the dosbox perfectly then I would really guys own you one!

I'm pretty sure you can pick it up on some Abandonware sites. If I rememberer correctly it does work on win7
Windows 7 does not work if you have a x64 pc. So im not sure what to do.
Your best bet is probably full-system emulation. Run a 32-bit VM with Windows 95 or 98, then run SimTower there.