Daz studio is free 3d rendering software available at https://www.daz3d.com
The easiest way to create realistic animation in Daz Studio is to use motion-captured presets. For example, "04 Talk" preset is used to create facial animations in this video.
**Additional resources:
• (💾Daz Studio DL) Real Classroom Poses for ... (50 FREE classroom poses for Genesis 8 Females; downloaded more than 1,500 times)