The best steps to learn a 2D animation software are as follows:
1. Familiarize yourself with the user interface of the software.
2. Read tutorials and watch videos from experts on how to use the software.
3. Practice with simple projects like animations, short films, or motion graphics.
4. Get feedback on your projects from other professionals in the field.
5. Attend online workshops or classes to learn more advanced techniques.
6. Experiment and try different approaches to create unique pieces.