There is extensive online help that you may access from the configuration dialog so this file contains only the information needed to get you started. If you received a ZIP file you should unzip it into an empty directory so that you may delete all files in that directory once it has been installed.
Installation is simple and automatic.
This file is normally PS3DSE.EXE for the evaluation version or PS3DR.EXE for the fully-licensed version. You must first run Control Panel. Usually it's in the Main group. Then from the Control Panel you must run Desktop. In the Desktop setup dialog you first select Photo Show 3D as the current screen saver and then click on the Setup button to bring up the Photo Show 3D Configuration Dialog.