Install ODBC Drivers:

Microsoft Data Access Component (MDAC\WDAC)



ODBCAD32.exe : (ODBC Administrator) : ODBCAD32 component is part of MDAC\WDAC (Microsoft\Windows Data Access Components ) will install the ODBC drivers.

ODBCCONF.exe:(ODBC Driver Configuration Program) :will uninstall the ODBC Drivers.

Note:  A 64-bit version of the Microsoft Windows operating system includes the following versions of the Microsoft Open Database Connectivity (ODBC) Data Source Administrator tool (Odbcad32.exe):
The 32-bit version of the Odbcad32.exe file is located in the %systemdrive%\Windows\SysWoW64 folder.
The 64-bit version of the Odbcad32.exe file is located in the %systemdrive%\Windows\System32 folder.



In case after closing the ODBC window, and open the ODBC window again, and loose the drivers? then change the target  (hope u have administrative rights)

note:  %windir% = C:\Windows

%windir%\system32\odbcad32.exe
(to)
%windir%\SysWOW64\odbcad32.exe