If you have a number of installed copies biger than a number of purchased licenses then your serial number may be blocked on server. But there are a lot of situations when you have to reinstall the plug-ins many times on new computers and etc. So, if you have met a situation what your serial number is blocked then it is not a critical problem. You can try to unblock the serial number self with follow online form. If it is possible then you'll be able to register more copies of the plug-in.
2021.01.04 - Now all out Photoshop plug-ins are adapted to MacOS11 BugSur
2020.04.30 - HDRPortrait - turns your iOS device in a pocket portrait art machine. See details
2020.02.20 - HDR Video App - applies a HDR effect on video in the real time! See details
2020.01.15 - AlphaBlur iOS App - now supports Dual Cameras and TrueDepth hardware features. See details