How do I become a prolific writer?

Simple. You write.

But writing is hard. It is intimidating. I need more details.

Okay. Here it is. We are about to give away the entire book.

Write 200 words a day. That's it. Just write 200 words. It will take you under ten minutes to do that. You do that every day. You will be prolific. You will be writing and you will have a blast.

So do I need to buy this book now?

Not if you don't want to. But it goes into greater detail and it is kind of a fun read. So you should pick up the book. Give it a try. Read the book. Write 200 words a day. Have fun.