Talking about 2 excellent strength training programs:
1-STRONGLIFTS 5X5 https://stronglifts.com/5×5/
2-STARTING STRENGTH https://startingstrength.com/get-started/programs
Learn to squat: https://youtu.be/nhoikoUEI8U
Learn to deadlift: https://youtu.be/p2OPUi4xGrM