When I first started getting in better health and shape years ago, two resources helped me learn, provide structure, and form habits. One is a lengthy blog post and the other one is a popular book. Both are simple and accessible in their approach.

Nerdfitness - The Beginner Bodyweight Workout https://www.nerdfitness.com/blog/beginner-body-weight-workou...

Bigger Leaner Stronger (Book)