How do I sign up and login?

You can sign up by creating a new Duolingo account using your email address or by using your existing Google or Facebook account. 

To create a new account, click on the green "Get Started" button on www.duolingo.com and follow the instructions to create your Duolingo profile and start learning.

If you already have a Duolingo account, you can click the "Login" button on www.duolingo.com to enter your email and password. In case you don't remember your password, simply click on "Forgot password" and provide your email address.