One of the easiest ways to become famous is to Start a Youtube Channel. It might be hard at first to earn a fanbase, but eventually, more people will start knowing you and you might even earn money from it. Collaborating with people and making content that others can enjoy is a great way for global attention.
If you like writing and you want to get some recognition, why don't you write a book? Many people love to read and this will be a great way to express your talents. Although writing a book can be hard, it can be a good way to start off your career.
Try to get yourself some professional photos and find some modelling jobs you can apply for. After joing some small agencies, you can gradually move on to bigger ones.
World records are broken nearly every month. In order to become famous, you could try to show off your talents so others can try to break your record. It's a great way for people to see you and for companies to market off your work.
Being famous is hard and it's going to be really hard to get the hang of things, especially if you're just starting. There will be times that you will fail, you might not get the best modelling agency, or pass the audition that you worked hard on, but you have to accept it and continue working hard.