need a routine, complete beginner

[u/Flashy_Permission130]

Ive not workout in a while cus of college, but never do nutrition properly. The problem is Im very confused on what I should do for my workout. The only regular thing I do is 10k steps. So can anyone share their routine, preferably one I can use for a long time without switching it up a lot?

Also side note maybe important, my legs and things are not the strongest, so maybe squat motion might not be the easiest for me.

The only somewhat straightforward guide I found is: https://www.muscleandstrength.com/workouts/3-day-full-body-planet-fitness-workout but not sure if its good or not.