However, if the correct place is not detected you can manually browse to the Plug-Ins folder of the Photoshop you want to use. PortraitPro will detect what version of Photoshop you have installed, and automatically find the Plug-Ins folder for you.
Press the button 'Run Plug-in Installer'. On Windows choose the Settings option in the File menu. This is done in the menu of PortraitPro Studio or PortaitPro Studio Max.