Refer to the screenshot that shows the top portion of the Salesforce Service app with...

 The place where GCC’s end users should go to change to the Sales Console is the App Launcher icon (Label A). The App Launcher is a menu that allows users to access all the apps and items in their Salesforce org. The Sales Console is one of the apps that can be found in the App Launcher. The user can search for “Sales Console” in the App Launcher and select it to switch to the Sales Console app. The Sales Console is a standard Salesforce Lightning console app that meets all the sales needs. The Search bar (Label B) is a feature that allows users to find records and other items in their Salesforce org, but it does not search for apps outside their org. The dropdown in the navigation bar (Label C) is a menu that allows users to switch between different tabs and items within the current app, but it does not show other apps.