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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

Reinstall Trend Micro Security for Windows

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:

Get a copy of your serial number

Make sure your computer meets the system requirements

Uninstall your current Trend Micro Security program

Download the installer
  1. Download the installer file to begin the installation.
    Installer
    Serial Number Starts with an 'X'

    Maximum Security

    Serial Number Starts with a 'P'

    Internet Security

    Serial Number Starts with an 'A'

    Antivirus+ Security

    Serial number starts with 'TO/TA'

    Internet Security for Best Buy

    You can visit Best Buy's Geek Squad if you need further assistance.

  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 Privacy and Personal Data Collection Disclosure
  1. Read Privacy and Personal Data Collection Disclosure, then click Next.

    License Agreement

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.

    Installing...

  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

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