You can use this action in photoshop CS3,CS4,CS6, CC, CC2014, CC2015, CC2015.5, and CC2017. The only restriction is that you must install the version in English. For now, other languages are not supported. Photo Templates
Photoshop Action Atn File
To get the best possible outcome out of the Photoshop Action, you should use as an input only high-resolution images. Recommend resolution 2000px X 3000px (or 3000px X 2000px) pixels, it will be best.