Upgrading your Trend Micro Security for Mac to the latest version

This article shows how to upgrade your Trend Micro Smart Surfing for Mac and Titanium Internet Security for Mac to Antivirus for Mac.

BEFORE WE PROCEED: We recommend that you print out this document or bookmark this page before proceeding because you will be asked to restart your computer during the procedure.

STEP 1: Take note of your serial number
To find your serial number, do the following:


  1. Click the Trend Micro icon on the upper right side of the menu bar.
  2. Click Open Trend Micro Internet Security on the list to open the Trend Micro program.
    Open Trend Micro Internet Security


  3. Click Subscription Expires at the lower right corner of the Trend Micro main console.
    Click Subscription Expires


    The Subscription Information window will appear with your program information and Serial Number.
    Subscription Information



STEP 2: Make sure your Mac meets the system requirements
Check the table below to know if your Mac meets the recommended system requirements to install Trend Micro Antivirus for Mac:
  • Intel® Core™-based Apple® Macintosh® computer
  • 2GB memory
  • 1.5GB of available hard disk space
Operating System
  • Mac OS X® version 10.12 “Sierra" (10.12 or higher)
  • Mac OS X® version 10.11 “El Capitan" (10.11 or higher)
Supported Web Browsers
  • Apple® Safari® 8.0 or higher
  • Mozilla® Firefox® (The newest version and the most recent previous version)
  • Google Chrome™ (The newest version and the most recent previous version)
Internet Connection
Antivirus for Mac needs an Internet connection for activating online, checking the expiration date, downloading updates (including program and pattern files) from Trend Micro, obtaining information about malicious software, or browsing pages on the Trend Micro website.
If you have a dial-up or other connection to the Internet that charges fees per connection, by the amount of time connected or for the amount of data downloaded, make sure your router or connection software does not automatically start a connection to support the features listed above to avoid extra connection fees. Follow your router's instructions to edit your router settings if necessary.

STEP 3: Uninstall your old Trend Micro program (2017 or older version)
To uninstall your Trend micro program, do the following:


  1. Click Go > Application located in the upper-left of the Desktop.


  2. Select Trend Micro.
    Trend Micro


  3. Select Uninstall Trend Micro Internet Security.
    Uninstall Trend Micro


  4. Click Uninstall.


  5. Enter your Mac credential if necessary.


STEP 4: Download and install Antivirus for Mac
For installation instructions, you can watch the video tutorial or follow the steps below:


  1. Download the disk image (.DMG) or installer file, then save it to your desktop.



  2. Open the Antivirus for Mac installer.
  3. Click Install Trend Micro Antivirus.


  4. Click Open on the security warning to continue the installation.
  5. Click Continue.
    Installer Prompt


  6. Click Continue on the Welcome screen.
    Welcome screen


  7. Read the License Agreement, then click Continue.
    License Agreement


  8. Click Agree when prompted to accept the License Agreement.
    Agree on License Agreement

    Note: You can click Disagree if you do not agree with the terms of the License Agreement but this will automatically terminate the installation process.

  9. Type your serial number on the field provided, then click Continue.
    Enter serial number

    Note: You can find the serial number from the CD sleeve or Order Confirmation email. If you want to install the trial version, select Start a free trial of Trend Micro Internet Security , then click Continue.

  10. Click Install .


  11. Type your administrator password, then click Install Software.
    Type administrator password

    Note: The administrator password is created when you first set up your Mac operating system. Wait while the Trend Micro components are installed onto your Mac.

  12. Provide your email address, then click Continue.
    Type email address


  13. Click Close after the installation is done.
    Installation successful


Applies To: Antivirus for Mac - 2015, Antivirus for Mac - 2016, Antivirus for Mac - 2017;Titanium Internet Security for Mac - All;Trend Micro Smart Surfing for Mac - All;

Last Updated: Sep. 13, 2017 1:45 AM (PST)
Solution ID: 1054433