1. Open your Web browser and navigate to Google.com/adsense -- this is the Google AdSense homepage.
2. Type the email address and password associated with your Google account into the respective input fields in the login box.
3. Click 'Sign in' to log in to your Google AdSense account.
4. Click on 'Can't Access Your Account?' if you are having trouble logging in. The most common reason for login trouble is a forgotten or incorrectly typed password. Follow the on-screen password prompts to reset your Google Account password, if necessary, and then try logging in again.