You should use the file Winrar to unzip your file, it's the easiest. You're going to open up an internet browser and go to: Zybomen. Click on download, then click on Winrar. Click on the one that says 32bit, unless you've got a 64bit system which is the second one. Click run, then wait for it to download. Close your internet browser. Click install, go through the process. Right click on the file you would like to unzip, and then click on extract to and then the file name. Double click on the file created and there's the unzipped file.