Activating Trend Micro Security using a new serial number

  • Solution ID:1104396
  • Last Updated:Mar. 21, 2018 1:16 AM (PST)
  • Applies to:Antivirus+ Security - 2015;2016;2017;2018;Internet Security - 2015;Internet Security - 2016;Internet Security - 2017;Internet Security - 2018;Maximum Security - 2015;Maximum Security - 2016;Maximum Security - 2017;Maximum Security - 2018;Premium Security - 2015;Premium Security - 2016;Premium Security - 2017;Premium Security - 2018;
  • Activate Using New Serial Number | Trend Micro Security

This article shows you how to activate your Trend Micro Security software using a new serial number.

This is done when:

  • You are activating from trial to full version.
  • You are replacing an expired license with a new license.

To activate your Trend Micro Security, do the following:

  1. Open the main console of your Trend Micro Security software. Do either of the following:
  2. Click the expiry date at the bottom of the main console.

    Trend Micro Security Main console

  3. Click Change your serial number.

    Subscription Information

  4. Type your new serial number in the fields provided.

    Enter the Serial Number

    Note: If you get "Invalid Serial Number" message, refer to this Knowledge Base article for instructions: “Invalid Serial Number” error message appears when registering Trend Micro program.

  5. Click Next.


  6. Click Close.