To sign up or log in to Poe, visit the Poe platform's official website or app and click on the "Sign Up" or "Log In" button. For new users, provide an email address, phone number, or social media account details to create an account. Existing users can simply enter their credentials or use linked accounts for quick access. Once logged in, you can explore Poe's features, interact with AI tools, and personalize your experience. Ensure your account credentials are secure for a seamless and safe login experience. For additional help, consult the support section on the platform.