Learn how to obtain and integrate four free ActorCore avatars into your Unreal Engine 3D game project as main characters or NPCs in this step-by-step tutorial video. Follow along to access ActorCore, download necessary files, import avatars, convert them to a non-standard format, bring them into Unreal Engine, and retarget animations for use with the Third Person template. Gain practical skills in 3D character integration while exploring free resources to enhance your game development workflow.