Changing the serial number of Trend Micro Security software

  • Solution ID:1059090
  • Last Updated:Jul. 31, 2018 2:25 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;
  • Changing Serial Number | Trend Micro Security

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. 

You can easily change the Serial Number without reinstalling your product.


New serial numbers should be compatible with the current Trend Micro version installed on PC.

To change the serial number of your Trend Micro Security, do any of the following:

From the Subscription Information window
From the About the Software window