How to know installed Oracle Client is 32 bit or 64 bit?

Question

OS: Windows 2008 Server R2

Oracle Client: 11.2

Many Thanks

Answer 1

On 64-bit system:

32-bit Driver: C:\Windows\SysWOW64\odbcad32.exe

64-bit Driver: C:\Windows\System32\odbcad32.exe

Go to Drivers Tab
Version is shown there as well.