Go to www.netflix.com. Log in to your account or sign up for a membership. You will be billed automatically on your credit card so once you set it up there is no need to worry about paying until the credit card bill arrives.
Search for movies by typing in the movie title or an actor's name you're looking for in the search bar. You will be redirected to a new page where the film or actor will be present along with all the movie's information, synopsis, photos and more. For the actors' pages you will have a list of all his films.
Add the movie to your queue by clicking "add." You can also search for films by going to the "browse DVDs" section. Here you will see all current releases, top picks and more.
Update your selections by going to your queue. Decide what order you want your movie choices to be shipped in. Want the 7th choice to come 2nd? Simply type a 2 in the box to the left of the title then click "update queue."
Check your mailbox a couple days later. Your selections should be there. When you are done watching them simply place them in the mailer provided and slip them in the mailbox. You'll have new movies in a couple days time. Enjoy.