Confirm you're selecting the right version for the appropriate software. Once you've verified the file's details and are satisfied in your choice, click "Start Download" to continue.
You can install 32-bit OCX files on a 64-bit system. In a 64-bit Windows, 32-bit OCXs go in the "SysWOW64" folder, while 64-bit OCXs go in the "System32" folder. Always make sure to put the OCXs in the right folder.