We are always looking to improve our streaming service for you, so be on the lookout for updates. Upon launching the Sling TV app on your MAC you will be alerted via a pop-up window if an update is available. If you do not see a pop-up window and would like to check your device for possible updates, click on Sling, located in your MAC’s toolbar. Select Check for Updates within the drop down menu. Your application will begin scanning for any available updates.