For installation instructions, you can watch this video tutorial or follow the steps below:

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 (Trend Micro Security).

Download the installer.

Get your installer here:

1. Download the installer file to begin the installation.

   Version	Download Installer
   Full Version	Download Installer
   Lite Version (64-bit)	Download Installer
   Lite Version (32-bit)	Download Installer

   To know more about Trend Micro Security Lite for Windows bought from Best Buy, click here

2. Double-click TTi_17.2_MR_Full.exe to run the installer.

   Click Yes when the User Account Control window appears.

3. Wait for the installer to extract the files needed for the installation.

Perform system check.

After extracting, the installer will check your computer for compatibility.

1. Wait as Trend Micro checks if your computer is compatible for installation.

   

Type your serial number.

Provide your serial number to verify your subscription:

1. Type your serial number, then click Next.

   

   If you forgot your Trend Micro Serial Number, check your serial number and subscription by logging in to your Trend Micro Account.

   If you receive the error message "Invalid Serial Number", refer to this Knowledge Base article for instructions: Error: Invalid Serial Number (Trend Micro Security for Windows PC).

Read the Data Disclosure Notice.

Data collected by Trend Micro is subject to the conditions stated in the Trend Micro Privacy Policy:

1. Read the Data Disclosure Notice, then click Next.

   

Accept the License Agreement.

Trend Micro Internet Security is subject to the terms and conditions of Trend Micro license agreement:

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

   

Wait for the installation to finish.

Upon agreeing with the License Agreement, Internet Security will now continue with the installation:

1. Wait for the program to install. This may take a couple of minutes.

   

Activate your protection.

Once installation is complete, activate your protection by verifying your Trend Micro Account details:

1. Provide a computer name, then click Next.

   

2. A Protection Activated window should appear. Click Finish.

   

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.

   

Install Trend Micro Antivirus for Mac. For system requirements, you may check the link below:
System Requirements (Antivirus for Mac).

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

   Download Installer

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

   

4. Click Continue.

   

5. Wait for the System Check to finish.

   

6. Click Continue on the Welcome screen.

   

7. Read the Privacy and Policy Data Collection Disclosure, then click Continue.

   

8. Read the License Agreement, then click Continue.

   

9. Click Agree when prompted to accept the License Agreement.

   

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

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

    

    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 Antivirus, then click Continue.

11. Click Install.

    

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

    

13. Wait while the Trend Micro components are installed onto your Mac.

    

14. Click Close after the installation is done.