If you are an Everything Bundle User, go to https://shop.gobbler.com and sign-in to your Gobbler Account.
Click your username in the top right of the webpage once signed in, and click "installers" from the drop-down menu.
Click "download" to download the FG-224 Expansion Installers. If you have any questions, please submit a support ticket here.
NOTE: If you are not an Everything Bundle user, you can purchase the FG-224 expansion here.