Hello Mrcow, and welcome to Wikipedia! If you want to learn more about the contribution process, definitely check out the tutorial. It's a really simple and easy explanation of all the basics.
I hope you enjoy your stay here and feel free to reply to this welcome message on my talk page. - Craigy (Talk)
(To sign a post like I just did, enter three tildes ~~~ where you want your name to appear. The three tildes will automatically be converted into your username. Adding a fourth tilde will insert a timestamp, as well.)