License Saved Path in Loadrunner: Log into your machine Go to Start -> Run, and type in regedit to open the Registry Editor. Navigate to HKEY_LOCAL_MACHINE->Software->Mercury Interactive->Loadrunner-> License 2. This key contain all the information permanent license, temporary license and license history. How to enter License in Loadrunner: 1. Close the Controller 2. Go to Start -> Programs -> LoadRunner -> LoadRunner -> Configuration 3. Click on the "License" menu 4. Click on "New License" and type in the new license key 5. Click <OK>, and <Close> to close the window 6. Bring up the Controller again. To see the current license being used by the Controller, and to see other license related information like Expiration dates, monitors purchased, and the number and type of Vusers, do the following: 1. Close the Controller 2. Go to Start -> Programs -> HP LoadRunner -> LoadRunner 3. Click on Configurati