If you find a legitimate free download (via student aid or a bundle), grab it immediately. If you find a pirated torrent, run away.
Surprisingly, the Blender Manual’s "Animation & Rigging" section is written by professional animators. It is dry, but it is technically 100% free and accurate.
Instead of risky "free download" links which often contain malware, you can access these official free materials: The Gameboy Project
To understand the hype, we must first clarify what the course is. Often referred to in community circles as "Alive" (or associated with top-tier animation training similar to the "Animation Alive" workshop concepts), this curriculum is designed to take a student from the basics of movement to advanced acting and performance.
is a premium, highly-regarded animation course for Blender created by Pierrick Picaut , a professional animator. It focuses on body mechanics, acting, and creating lifelike motion. The course is not legally available as a free download from unauthorized sources (torrents, pirate sites).
needed to run these high-end animation rigs smoothly in Blender? Alive! animation course in Blender - P2design academy