Football Manager 2023 is a great game but when it comes to the graphics it can be a bit boring. One way to change that is by installing custom graphics. One type of graphic you can install is real match kits, not only does it make the game look better it also feels right to see real match kits when you look at a team compared to the default made up once.

The first thing you need to do to get match kits in game is to download a kit pack. There is a lot of different kit packs available here:
https://sortitoutsi.net/graphics/kits

Downloading kit packs can be a bit annoying since they are usually huge in file size since they contain thousands of images but with a bit of luck and some patience you will manage to download a kit pack that you like.

After that you need to do small bit of configuration both outside the game and inside FM23, this short less than 3 min video will show you exactly how to do it: