Help:Changes
Wikipedia is an encyclopedia where anybody can change anything. So how can you get started as a Wikipedian? It's called contributing, or adding to stuff, and it's really easy to do.
Making new pages
Is the page you're looking for not there? If you are logged in, then you can create it. Add as much information as you can, and if the article is less than a paragraph, add this: {{stub}} at the end.
You might want to get some ideas to help you write an article.
You should add your article to a category by typing [[Category:A Category]] at the end of your article, and replace A Category with the right category. You can do this as many times as you want to. You can also find a category by looking at similar articles.
When you have finished writing your article, click Show Preview to make sure your changes are the way you want them to be. When you think it's okay, click Save Page.
Adding new information
There are already 184,009 articles on this Wikipedia, so you might find that an article you wanted to create has already been made. That's okay, because you can add, change, and even take away information in articles that have already been made.
You need to click "Change this page" at the top, and the Wikitext of the page will show. Wikitext is the coding that allows pages to be made. You can change this to add your knowledge to the page.
Remember to follow the guidelines and only add sourced information. Once you've finished, save the page by clicking on Save Page.