Not that it matters now, but I just got around to checking my Win8 system and 64 bit java is installed. You can test in a command prompt with:
java -d64 -version
For 64 bit, should get a response like this:
java version "1.7.0_21"
Java(TM) SE Runtime Environment (build 1.7.0_21-b11)
Java HotSpot(TM) 64-Bit Server VM (build 23.21-b01, mixed mode)
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