What if I lost my serial number?

From Trend Micro PC-cillin

What if I lost my serial number?

Contact your regional Trend Micro technical support representative.

Trend Micro Technical Support

Email: Support@trendmicro.com

URL: www.antivirus.com

See also:

New product registration method

Registering your software

Can I install PC-cillin 2002 on another computer?

What happens to my License Key if I reinstall my operating system?