Have a license key but no software?
Download the TSR Lan Messenger Pro - trial version from the link above and register it after installation!
The Free version is only for personal use, if you need to use it for business use or wish access to all features you must download the pro version and purchase a license key.
If you purchase a license for our products you will receive a license key by e-mail, you must then enter this key into the product by clicking the Registration menu.