I thought they were the same too, but I couldn't log in after downloading it (DAS said "Wrong trader!"). Yea, I emailed the DAS support team and here is the link for the v5.2.0.33 DEMO (simulator) version if anyone needs it:
http://www.dastrader.com/download/fixes/DASInstallDEMO.5.2.0.33.exe
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