Athentech Perfectly Clear Complete 3.6.3.1438 License Key here: https://goo.gl/kwSRtW
The program had an issue with my 4K display. Its interface is on the tiny side in 4K, unlike Lightroom, which adapts to high-resolution displays. Of course, that's only a problem for you if you have a 4K monitor. Mac Retina displays work fine with the plug-in. But there's no full-screen window option, which would be useful.