Windows 64-bit registry v.s. 32-bit registry

Question

I heard on Windows x64 architecture, in order to support to run both x86 and x64 application, there is two separate/different sets of Windows registry -- one for x86 applica

Answer 1

Here is the Wikipedia article on the WOW64 registry which may give you some of the information you are looking for:

http://en.wikipedia.org/wiki/WOW64