Chrys, the file should be saved as filename.zip.flmod not as filename.zip Because in essence the .flmod file is a compressed file, windows will automatically think its extension should be .zip. This is not the case. When you click the download link to save the file, in the drop-down menu you will have 2 options "Compressed Folder" and "All Files". You need to select "All Files" and now in the name of the file, make sure it's filename.zip.flmod. After you have it downloaded you can now double cl…