Regsvr64 is a developer tool that simplifies registration of COM DLLs across platforms.
The tool will identify the bitness of a DLL file and register it correctly. If the tool is on a 32-bit system and a 64-bit DLL is passed, it is simply ignored.
Works on Windows XP or later.
this tool is intended for developers
to be used locally or shipped with their source code projects. End-users will most likely not have any use for it.
for details on how to use the tool.
Using Regsvr64 in Visual Studio to register an x64 output in a post-build step