Step 1 – Download
Visit the official website of Trend Micro.
Step 2 – Installation
Download the software and first install it using the trial or free version.
Complete the installation fully.
Step 3 – Restart
Restart your PC after the installation.
Step 4 – Activation
Open Trend Micro Maximum Security and then enter your purchased license key.
Important Note
Please install the software first without entering the license key. Activation will occur only after installation.
After successful activation, the product is fully usable.