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## Online Purchase

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:
http://olr.trendmicro.com