The technical requirements for Photo Mechanic and Photo Mechanic Plus are the same. 

MacOS 10.10 or later.

Windows 7x64 or higher 64-bit Windows OS.

1024x768 or higher resolution display

Photo Mechanic Plus is currently in a limited public beta. 

You can discuss any questions, support issues, or other feedback in the Photo Mechanic Plus Beta forum. Camera Bits staff can respond to your questions and feedback there.  As with any beta release, we strongly recommend caution when installing and using Photo Mechanic Plus Beta with any important projects or when you are on a tight deadline.