Hi @keithhindley99,

Welcome to Trend Micro Home Users Community!

To transfer the license to your new computer, you may follow this instruction: 

  1. Go to the Trend Micro Account portal by visiting https://account.trendmicro.com/.
  2. Type your email address and password, then click Sign In.
    If you set up Two-Factor Authentication, you will need to type in the verification code sent to your preferred method (Authenticator App, Email or Text).
  3. Remove protection to an old device:
    1. Click the Licenses tab, then look for your ongoing subscription.
    2. Click Manage Device +, then hover to the device you want to remove protection.
    3. Click the X icon on the upper right corner of the device.

      Note: Before deleting protection, check the computer (Windows, Mac) or mobile device (Android, iPhone or iPad) name to prevent accidental removal on the devices you currently use.

    4. Click Yes to confirm.

Once you have removed the old device on your account. you may download the installer and proceed with adding your new device:

  1. Click the Download tab, then click the Download on your ongoing subscription.
    You can also click the Check Setup Guide link for more detailed steps on how to install the program.
  2. Follow the instructions to complete the installation.

To learn more, you may visit this link.

Hope this helps.