Changing the serial number of Trend Micro Security software

You may need to change the product Serial Number for various reasons including upgrading a product license from a Trial version to a Full version or replacing an already expired license with a new license. 

The Serial Number can be changed easily without reinstalling your product from within the product subscription window using the steps below.
To change the serial number of your Trend Micro Security, follow the steps below:


  1. Open your Trend Micro Security main console by doing either of the following:
    • Double-click the Trend Micro shortcut icon on your desktop.
    • Double-click the Trend Micro icon in your system tray (near the clock).


  2. Click your program's expiry date.
    Click expiry date


  3. Click Change your serial number.
    Change your serial number


  4. Enter your new serial number, then click Next.
    Enter serial number



Video Tutorial

Applies To: Antivirus+ Security - 2015;2016;2017;Internet Security - 2015;Internet Security - 2016;Internet Security - 2017;Maximum Security - 2015;Maximum Security - 2016;Maximum Security - 2017;Premium Security - 2015;Premium Security - 2016;Premium Security - 2017;

Last Updated: Nov. 01, 2016 3:07 AM (PST)
Solution ID: 1059090