Installing these mods is identical to standard Sims 4 CC installation: Sims 4 Gundam Mod
While there is no single "official" mod, the Sims 4 Gundam mod Sims 4 Gundam Mod
Most Gundam enthusiasts focus on that allow Sims to wear full-body replicas of famous mechs like the RX-78-2 or the Wing Gundam. Installing these mods is identical to standard Sims