Per Q Drop 993 - "Learn to Archive Offline".

Once files are prepared, a download link will appear. Click to save. You will need to unzip all downloaded files into a single directory. Download the imagepack files if you check the "download images" box above. When unzipping you will be prompted about overwriting files - click "Yes to All". When unzipp the "imagepack" files, they should automatically unzip into a directory named "images", if the images are not in that directory they will not load with the drops. Open the "index.html" file with a browser, or double-click from a file/folder view. Once "Prepare files" is click, it will take a moment to generate the download file, please wait. Your directory and folder setup should look something like what is pictured below: