Signing into ODE with a user account is simple.
Click on the user icon, which will show as not signed in. It will display the following menu, which contains the sign in option.
Click on the "Sign in" link. This displays the log in page.
Enter your email address and password. Then click the "Sign in" button.
After successful log in, a confirmation message will be displayed briefly. Then the page will redirect to the past page in use or the home page.
If you forgot your password, click the "Forgot password" button. It will send you an email containing a link to follow to reset your password.