How to Add Single Kit to FM20 on Mac?

It's self explanatory. I designed some kits and want to add them to a specific team, but can't find any help online to do it. I already installed a kit pack and it works fine, but I can't find a way to add a single kit.

Thanks

If you have a kit pack already, make sure the kits you made mirror the size and file extension type of those in the kit pack. Place your kits in the same folder, open up the config file using notepad. Add lines for each of your kits. The number is the unique id of the club, which you can get from FM by enabling the Unique ID in preferences and then viewing the club's home page. Then just specify whether the kit is home/away/third. Basically just keep it similar to what the existing lines in the config file are and adjust accordingly. Once done, save the config file and then clear cache and reload skin on FM. If you've done this all correctly, it will work. (bare in mind that teams created in editor / create-a-club may not work for this due to some weird hardcoding in the game)