Click the Trend Micro Product Registration Server link in the product at Administration → License.
Click the Activate License link.
In the Activation Wizard window, click the register
online link.
New users: Click the Continue button
under Not registered and create a new account
and click Submit.
Returning users: Specify your Login ID and password.
In the My Products screen, click Add
Products and specify the Registration Key.
To edit your company profile, click View/Edit Company Profile.
The Activation Code appears on the next screen.
To receive a copy of the Activation Code at the registered email address, click Send
Now.
Note
For maintenance renewal, contact Trend Micro sales or the reseller. Click Check
Status at Administration → License to manually update the maintenance expiration date on the Product License screen.