The serial number for CorelDRAW Graphics Suite X5 can be located in the software's About CorelDRAW section. Open the program, click on Help, and then click on About CorelDRAW. The serial number can also be found on the original packaging.
For CorelDRAW software purchased as a download, the retail vendor supplies serial number and activation key information with the purchase invoice. If an account was created on Corel.com, the serial number is included on the account information page. CorelDRAW serial numbers are required to register and install the software or to upgrade to a full version when a trial version expires.