The access to the digital book you purchased will not be automatically activated on the platform.
After completing the purchase you received an email with the subject “Código de acceso/licencia Campus” in which you will find your new content access code.
You will have to log in campus.difusion.com and click on the icon next to your name on the top right corner of the screen and then on "+ Add code" and introduce your 20-character access code.
Or click on the Contents tab, then on the blue + Add code button, and enter the code: