Tracking your workouts is a great way to help you stay accountable and to keep you challenging yourself.
Use whatever works for you, notepad, phone, training app whatever you will use consistently.
Log your reps, sets, and rest breaks. Each session try to increase the difficulty by adding reps, adding sets or adding weight. These are only a few ideas but starting with these simple changes will keep you getting your desired results.
The other great thing about logging your workouts is that over time you can look back and see how much progress you have actually made and how much you have improved.
Contact firstname.lastname@example.org for further tips on improving your fitness.