MAC OS installation problems

I am a beginner and want to install the Mac OS in a virtual machine, it is necessary to use a 64-bit computer?
Reply:
CPU support virtualization can now
Reply:
32 can also be of use virtualbox installation, while the CPU must support virtualization technology
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My CPU is a Core 2 Duo hack T5800, do not support virtualization technology, but support for 64-bit systems. So I installed the 64-bit system, is not to re-install Mac OS in a virtual machine in it?

reference to the second floor happy_every_day_ reply:

32 bit can also be of use virtualbox installation, while the CPU must support virtualization technology

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XP also can be CPU supports virtualization
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mac virtual machine running smoothly it?
I installed had never smooth.