Alright, let's put it this way, I am a newbie, 73kg, 173cm height, I don't know my bf%, I just assume going to the gym is all I need to get an aesthetic physiqu

Alright, let's put it this way, I am a newbie, 73kg, 173cm height, I don't know my bf%, I just assume going to the gym is all I need to get an aesthetic physique. What is your suggestion for the best path I should take?