The page License provides you information about myRTLS Care plan you currently have → myRTLS Care or myRTLS Care+, and information when your myRTLS Care Period terminates. You can find there also a brief comparison of the key points between myRTLS Care plans. 

For myRTLS On-Prem you need to add a new license manually when you do extension or renewal → How to change the license for myRTLS On-Premise version?

More about myRTLS Care and a detailed comparison of myRTLS Care and myRTLS Care+ can be found on Sewio website.