Open your inbox. When you receive an email from Bridge, click the sign-in link.
A page will open in your browser, and after a few moments, you'll be signed in on the original page, with an ICON wallet attached to your email address. You can use the same wallet with all your blockchain apps.
If you plan to use a substantial amount of money with Bridge, make sure your email account is protected: use a strong, unique password, and turn on two-factor authentication.