first u need an unzipper (extractor) like winrar..u can download a free version from the web...then once its installede, go to the folder where the zipped file is, rightclick on it, then select 'extract here' , or direct it to the desired folder path (ur 'DAZ4/Studio/content')...if u use 'extract here', then u'll need to copy/paste the files into their designated destinations...lmk if u need more info