There are so many different combinations of software,hardware,windows and utility in the market therefore it makes it very hard to give step by step instruction on how to download,unzip and output files into your card ,but one general rule is to remember where the file is downloading and what format is going to be downloaded as. Once these two facts are known then you can browse to that folder ,find your file and unzip it.The most common utility used to unzip is winzip and you can get it from www.winzip.com.