Online Registration

Please use the following options to register your Trend Micro product:

Enterprise/SMB User:

• Click here to register your product.
• Frequently Asked Questions (FAQs)

Home User:

• Search the Trend Micro Knowledge Base for instructions on how to register PC-cillin Internet Security online.
• For further assistance, send any questions regarding PC-cillin Internet Security online registration to pc-cillin@support.trendmicro.com.

Remember to provide your serial number for faster response and service.

• How to find the serial number for PC-cillin Internet Security 2004 and PC-cillin 2003 and 2002.