To log in to 1Win, visit the official 1Win website or app. On the homepage, locate the "Login" button and click on it. Enter your registered email or phone number and your password into the provided fields. If you don't have an account, click "Sign Up" to create one. After entering your login credentials, click the "Login" button to access your account. If you forget your password, use the "Forgot Password" option for assistance.