If you are on a Mac and are unable to launch the ON1 Photo RAW installer or the installer is stuck at "Verifying On1 Photo Raw 2017.pkg" with no progress bar, please reboot your machine.
Upon returning from the reboot, please launch the installer again. A simple reboot of the machine has fixed this problem for all Mac users experiencing this issue.
Please note, the steps above only apply to installing the Photo RAW on the Mac OS.
For the full installation instructions, please click here.