Here’s how you can add asset packs to your project in Unreal Engine 5 or copy them from one project to another. We’ll use the Migrate feature for this. The advantage of a converter project is that it lets you rename and move things in Unreal Engine quickly and easily, especially if you’re using your own folder structure.
https://dev.epicgames.com/community/learning/tutorials/nX8E/unreal-engine-migrate-asset-pack-copy-asset-pack-to-project