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Know how to activate your Trend Micro Security software using a new serial number.

This is done when...

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

You may also find your serial number from:

  • the Order Confirmation Email of your online purchase.
  • he package purchased from the retail store.

  1. Open Trend Micro Security Main Console:
    • Double-click the Trend Micro icon on your desktop.
    • Double-click the Trend Micro icon on your system tray.
  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

  5. Click Next.
  6. Click Close.
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How to activate a new serial number (Trend Micro Security for Windows)

Know how to activate your Trend Micro Security software using a new serial number.

This is done when...

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

You may also find your serial number from:

  • the Order Confirmation Email of your online purchase.
  • he package purchased from the retail store.

  1. Open Trend Micro Security Main Console:
    • Double-click the Trend Micro icon on your desktop.
    • Double-click the Trend Micro icon on your system tray.
  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

  5. Click Next.
  6. Click Close.

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