Similarly, updating product license for the soft key once in 3 months is mandatory. Procedure for both local license or server license remains the same. In case if you are using a network license, there is no need to renew the license on a client machine.
Go to start -->All Programs--> ESurvey-->open License Manager application.
Enter your soft key number(given on purchase of the product),click on the 'Register' button and then close.
Once you register the lock, use the software as you regularly use it.