Originally Posted By: edsmiata
its 64 bit processor...

That doesn't matter (well doesn't conclusively prove if it's a 64 bit OS). What matters is if you are using a 64 bit operating system. You can quite easily run 32 bit Windows on a 64 bit CPU - and millions do.
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Christian
#40104192 120Gb (no longer in my E36 M3, won't fit the E46 M3)