You may have to change your security settings to allow the file to run, as explained here. The Wineskin programs will have a wine colored icon next to the file name after they are installed (see figure below). Are you sure you want to open it?” Select “Open” to continue with the installation. For example, if you are installing SewWhat-Pro, the zipped wrapper file will be named . Unzip it and run it to install the product. You may be prompted that “ SewWhat-Pro (or whatever application you are installing) is an application downloaded from the Internet. Use the MAC Download button on the product page to download the zipped S & S application Wineskin Wrapper to the Download folder on your MAC.