Sign up with a broker like Etrade or TDA or any other broker that you might like. Once you have an account set up, you fund it, and are then free to buy through the brokerage. The brokers are also there to help you if you have questions. I like Etrade myself. Good luck.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.