This Claude user guide focuses on explaining three actions clearly: how to register and log in to Claude, how to bind/change your email, and the correct way to switch Claude accounts across multiple devices. Follow the steps and you can avoid many detours such as “login loops” and “not receiving verification codes.”
Steps to Register a Claude Account and Log In for the First Time
After opening the official Claude website (claude.ai), click the login/sign-up entry. Claude usually supports signing up with an email, and may also provide quick options such as Google or Apple. If you choose email sign-up, enter your email as prompted and complete the verification code check to access the Claude homepage. After entering Claude for the first time, it’s recommended to first confirm that the account information shown under the avatar in the top-right corner is correct, to avoid accidentally signing in to a Claude account under a different email.
Confirming and Binding Email Information in Claude
After logging in to Claude, click the avatar in the top-right corner to enter the settings page, and first check whether the email shown under “Account”/account-related information is correct. If you initially logged in to Claude via a third-party method and later want to standardize on your commonly used email, it’s recommended to note down your current login method first, then verify your email information in the settings page. If you run into “the email is correct but the verification code isn’t received,” check the spam folder and any corporate email filtering rules first; if necessary, switch to a more reliable email and log in to Claude again.
