This is freeware. It is not pirated. The Irfanview folder must be dragged and dropped to your c: drive and then opened and installed on your hard drive. Open the menu of the CD by right clicking on the cd drive icon and clicking open. Then drag and drop the irfanview folder to your hard drive. Open the folder and find the shortcut icon and put it on your desk top. You will find this to be an excellent image modifying and viewing program. It contains a very simple "slide" function that is so easy to operate. You can select photos and images and the time you want them on the screen and the program will automatically screen the slide program. It also contains other useful functions changing size and other modifications.