This install needs to add a 32-bit DLL to the 'System' folder. What I don't know is what happens on 64-bit machines. Do I need to just include the dll in the 'SystemFolder' section of Destination Computer's folder and will the installer figure out that it should really go in Syswow64, or, do I need to include the dll under both Systemfolder and WindowsFolder\Syswow64, or something else?
You should be fine adding the file to just the SystemFolder. Windows Installer will install the file to System32 on 32-bit systems and to SysWow64 on 64-bit systems automatically.
