When your online purchase is complete, you will receive licensing and registration information from Trend Micro, including a number that you must use during the product registration process. The number needed for registration is either a Serial Number or a Registration Key.

A Serial Number is 24 characters in length, including hyphens, in the following format:

XXXX-XXXX-XXXX-XXXX-XXXX

A Registration Key is 22 characters in length, including hyphens, in the following format:

XX-XXXX-XXXX-XXXX-XXXX

Most Trend Micro products use a Registration Key. When you are ready to register, go to the following Trend Micro website: