Activating a Trend Micro code is really simple, just follow these steps:

1. Go to Trend Micro Homepage.
2. Download and install the software using the trial period/free version.
3. Complete the installation process*.
4. Restart your PC.
5. Open the software and use the purchased key to activate it.

*Note: It is important to install your software without using the key.  

The key is not working

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions:

• My key is Duplicated / Already used
• My key is Invalid
• My key is region locked / can't be activated in my country
• My key activated a different product
• My key did not activate all of the content