Your serial number is located on the back of your CD or DVD case, in your email receipt from the Adobe Store (download purchases only), or on your Adobe Open Options license certificate.
You will be able to install and use this software on a trial basis for up to 30 days, however some features may not be available for use until you enter a serial number. You will be able to enter a serial number and complete the software setup process at any time during or after the trial period.