[Win8] Doest cocos2d-x support all of X86, X64, and ARM?

I am using cocos2d-x on x86 platform.
Doest cocos2d-x support all of X86, X64, and ARM?

Thank for your help.

It should support x64.
Or lets say it in an other way.

x64 supports x86 software.

ARM, I don’t know.