How do you make a wikipedia page?

Has anyone ever made a wikipedia page? How did you go about it? I’m looking to create a wikipedia page for a person for the purpose of social + search marketing. I don’t physically know which buttons to click to make the page but have found some advice online as to what to put on it, but does anyone know how to physically create the page? If anyone has any advice as what/what not to put on it too that would be welcomed :)

I also found an article that sounded interesting but you have to create an account to read articles on the website. There’s a 7 day free trial but you have to enter your bank card details regardless. Is it possible to bypass this and read it without having to enter my card details online? Here are the links for it:
http://www.searchengineguide.com/debra-mastaler/how-to-get-your-company-listed-on-wikipe.php
https://www.marketingsherpa.com/barrier.html?ident=30116