...
- Either of the 64bit configurations (Debug64 or Release64) must be selected. "Release|x64" will build, but then the Plugins will not. "Release64|x64" will.
- BUT, when building the Plugins, "Release64|x64" will not be available, and you will choose "Release|x64" instead.
- x64 architecture must me selected either from the configuration manager or the "Solution Platforms" combo box (if enabled in your workspace).
- The binaries will be placed on a different folder than their 32bit counterparts
...