The Extension options will allow you to check the currently selected TRIO server, license information as well as the currently installed engine version. To access the TestResults.io options simply follow the steps below:
From the top menu select Tools-->Options
Either scroll to the TestResults.io item or type it in the Search textbox
In the General tab you will be able to see License Information and Engine Information (refer to the Engines section).
The Server tab will tell you to which TestResults.io server you are currently connected to (refer to the Servers section).