Activating Trend Micro Security using a new serial number

  • Solution ID:1104396
  • Last Updated:Sep. 27, 2019 1:25 AM (PST)
  • Applies to:Antivirus+ Security - 2018;2019;2020;Internet Security - 2018;Internet Security - 2019;Internet Security - 2020;Maximum Security - 2018;Maximum Security - 2019;Maximum Security - 2020;Premium Security - 2018;Premium Security - 2019;
  • How to Activate Your Trend Micro Program Using a New Serial Number

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:

You may find your serial number from the following:

  • Order Confirmation email for online purchase
  • On the package purchased from the store
  1. Open Trend Micro Security Main Console. Do the following:
    1. Click this button below to download


    2. Open, and then click MainConsole.bat.
  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

    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.