Yes you should track sets reps and weights because it helps you clearly see how your strength is improving over time.
Tracking sets reps and weights makes your workouts more organized and helps you know exactly what you did during your previous session.
If you are trying to build strength tracking weights and reps is one of the simplest ways to measure your progress.
You do not need a complicated system just record the exercise weight number of sets and number of reps after each workout.
Recording your sets reps and weights also helps you follow progressive overload in a more controlled way.
If you want consistent gym results keeping a personal workout log can help you stay focused and accountable.
Tracking is especially helpful when you follow the same exercises regularly because you can compare your current performance with older sessions.
You can use a notebook phone app or spreadsheet to record your sets reps and weights whichever method feels easiest.
If your goal is muscle building tracking training volume can help you understand how much work you are doing for each muscle group.
Start by recording your main exercises and gradually add more details as you become comfortable with the habit.