You can find instructions for installing Carlson Software’s network license manager here: Carlson KB 55: Setting Up License Server and Requesting A Network License.
See also:
Carlson KB 59: What does Network License Manager do?
Carlson KB 211: Troubleshooting the Network License Manager
Carlson KB 612: Carlson Software’s Network License Manager – An Overview
Carlson KB 903: License Manager System Requirements
Carlson KB 218: Sending a Network License To A Remote User (Off-Site) – ADVANCED METHOD
Carlson KB 999: How Carlson Software’s End-User License Agreement Applies to Networked Software