[HelpDesk] Helpdesk question via web

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Form data:
  Name: AC Ashe
  EMail: aashe at sbo.hampton.k12.va.us
  OS: MAC OSX
  UserAgent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/312.8.1 (KHTML
  IP: 68.10.71.246
  Time: Sun Apr 29 14:19:52 2007

I downloaded the MAC version, but inside the LDraw folder, all the files are .exe files.  Little confused.  Which file is the program file?

Thanks!