Blender is an free and opensource 3d animation software.
This is a detailed guide for blender beginners. If you are a new blender user, then this video series will help you learn blender step by step.
Download Blender from https://www.blender.org/
For more videos on blender for beginner I recommend Blender guru: • Blender 3.0 Beginner Tutorial - Part 1
Visit the official Blender YouTube Channel Channel for more resources • First Steps - Blender 2.80 Fundamentals