I have downloaded the setup package for Windows x64 and started it. The installer used all cores of the processor extremely, filled up my 32 GB RAM with a tempo of 60 MB/sec and gave only a white screen and a fast frozen computer as a result.
Tried the 32-bit version and happened the same.
Dell Precision T1700
Intel Xeon E3-1225 v3 3.2 GHz
32 GB RAM
Win7 Enterprise x64 SP1