Knowledge Base

You can change your serial number using your Trend Micro program’s main console. Please follow the instructions below:

Change Your Serial Number Using the Main Console

1.

Open your Trend Micro Home and Home Office product’s main console.

2.

On the left pane, click Other Settings, and on the right pane, click Subscription to expand this section of the pane.

3.

Under Subscription, click Change Serial Number.

Note: If this button is not available and you instead see “More Details” and “Buy Now” on the pane, update your product to make sure you have the latest version of the software. After updating, return to the Subscription section.

4.

Type your new serial number into the fields provided, then click Next.

5.

Type in all required information, then click on Next. A Registration Successful! message will appear after the process has completed, and a registration confirmation email will be sent to your registered email address.

If the old serial number is still in the Subscription section, click on the Overview tab and verify that the expiration date has been changed.

If your expiration date has not been changed, refer to the following solution:

The expiry date for my Trend Micro Home and Home Office product was not updated after I renewed my subscription

Once you verify that your expiration date has been extended, return to the Subscription section.

Your new serial number is displayed.