You can find custom tattoo packs on sites like Nexus Mods or FIFA Infinity.
To get Kyle Walker’s HD tattoos in FIFA 25 (now known as EA Sports FC 25), you can either unlock official in-game assets or use custom PC mods for a more realistic "HD" look. How to Unlock and Apply Tattoos
: Move the mod into the "Applied Mods" list on the right and click Launch .