When you run UniView first time, it should give you following look:
As you can see, it's free window, which is signalizing, that you no file is currently opened. I'm supposing that if you ran this help file, you probably know basics of windows applications handling. Because of that we're not going to loose time with questions like "How to open file?", "How to exit program?" and so on. If you have that kind of problems, you should check standard Windows help (I hope you won't stop using this help and program because of this mote). You can use UniView is really easily. You'll find it out after a couple of lessons or a short use of program...