Kindly click on the appropriate link below for instructions on how to uncompress files (zip files). If you do not see your operating system below, kindly contact us and we will gladly add a link to accommodate your OS. Thank you. 
Windows 7:
http://windows.microsoft.com/en-us/windows7/compress-and-uncompress-files-zip-files
Windows 8:
http://windows.microsoft.com/en-us/windows-8/zip-unzip-files
Windows XP:
https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/cf_extract.mspx?mfr=true
Mac OS:
http://support.topspinmedia.com/entries/20822646-How-to-extract-a-zip-file-on-a-Mac