Generally, there will be a fitness instructor in the gym, and novices can consult him. The coach will adjust your training intensity according to your physical condition. Never try to be brave, choose your own equipment! First, you don't know how to use all the equipment. Second, abusing the equipment can easily cause permanent muscle damage! The coach will make a suitable fitness plan for you. According to the coach's work, you can get obvious muscle contours in one cycle.
Finally, it doesn't matter whether you are new or not. As long as you work hard, their veterans will respect you very much, just don't give up easily!