Once the files are moved, press Start > Quit > Restart EmulationStation to see your new library. Pro Tip: Check Your SD Card Space

Once you've found your "top" pack, moving it to your RetroPie is simple:

While you can technically find ROMs one by one, "Full Sets" or "Top Packs" are preferred for three reasons:

A great place to see which packs the community is currently recommending for the latest Raspberry Pi 4 or 5 builds. How to Install Your ROM Pack

The Ultimate Guide to the Best RetroPie ROM Packs If you’ve just finished setting up your Raspberry Pi with RetroPie, you’re likely staring at a clean, empty interface. The hardware is ready, the controllers are mapped, but the soul of the machine—the games—is missing.

Many packs are pre-tested for RetroPie emulators (like RetroArch cores), ensuring they actually launch.