What Office 32-bit or 64-bit is installed

I find what version for example Access is installed HKEY_LOCAL_MACHINE\\Software\\Classes\\Access.Application\\CurVer, but I didn't find that 32-bit o r 64-bit is installed.

How to check that installed Office is 32-bit or 64-bit, some registry?

Regards.

Somebody else had the same question.

thx, that's resolve my problem