Reinstalling the latest version of Trend Micro Security program

  • Solution ID:1058995
  • Last Updated:May. 06, 2018 11:58 PM (PST)
  • Applies to:Antivirus for Mac - 2015, Antivirus for Mac - 2016, Antivirus for Mac - 2017;Antivirus for Mac - 2018;Antivirus+ Security - 2016;2017;2018;Internet Security - 2016;Internet Security - 2017;Internet Security - 2018;Maximum Security - 2016;Maximum Security - 2017;Maximum Security - 2018;Premium Security - 2016;Premium Security - 2017;Premium Security - 2018;
  • Installing the latest version | Trend Micro Security

Learn how to reinstall the latest version of your Trend Micro Security program. This article is applicable for the following scenarios:

  • Upgrading from an old version to the latest Trend Micro Security version
  • Transferring Trend Micro Security antivirus to a new computer
  • Accidentally uninstalled Trend Micro Security
  • Lost Trend Micro Security during system restore
  • Hard drive crashed, replaced or formatted
  • Computer was replaced or switching pc
  • Operating system was reinstalled or upgraded
  • Installing without a disc
  • Reinstallation of the program

You will get better performance and protection when you install the latest version of your Trend Micro Security program. The program upgrade is free as long as you have a valid subscription. To install the latest version of your Trend Micro Security program, do the following:

Get a copy of your serial number

To know where to find your serial number, refer to this Knowledge Base article:
Finding the serial number of Trend Micro Security.

Make sure your computer meets the system requirements

To check if your computer meets the system requirements, refer to this Knowledge Base Article:
System Requirements for Trend Micro Security.

Uninstall your current Trend Micro Security program

To remove a previously installed Trend Micro program, refer to this Knowledge Base Article:
Uninstalling Trend Micro Security and older programs using the Diagnostic Toolkit.

Download the installer
  1. Download the installer file to begin the installation.

    Serial Number Starts with an 'X'

    Maximum Security

    Serial Number Starts with a 'P'

    Internet Security

    Serial Number Starts with an 'A'

    Antivirus+ Security

    Note: If your serial number starts with "T", contact Best Buy or your Internet Service Provider, depending on where you purchased the program.

  2. Double-click the installer to run it.

    Click Yes when the User Account Control window appears.

  3. Wait for the installer to extract the files needed for the installation.
Wait as the installer checks your computer
  1. Wait as Trend Micro checks if your computer is compatible for installation.

    Checking the computer

Type your Serial Number
  1. Type your serial number, then click Next.

    Choose your version

Read the License Agreement
  1. Read the License Agreement, then click Agree and Install.

    License Agreement

Wait as the Trend Micro program finishes installing
  1. Wait for the program to install. This may take a couple of minutes.


  2. Click Finish.

    Protection Activated

  3. After activating, you will see the main console of Trend Micro Security.
    Your protection upon installation is configured for optimum protection so you don't need to do anything.

    Trend Micro Main Console