In the upper right, you'll see a button labeled "Get Started." or "Create Account."
Once you click that link, you'll be sent to a page where you can create a username, password, and account by entering your email address and other required information.
If you accept the Terms of Service and Privacy Policy, click the box indicating your agreement. Then, click on the "Sign Up" button.
You’ll receive an activation email. Just click on the link in the email to activate your account.
Verify the password, and complete the captcha if prompted.