What's this launcher update do?
Single Sign-On: Log in once to access Blizzard games, and stay logged in for up to 30 days. Install and Auto-Update Games: Install games directly through the app and, if you choose to leave the app running on your desktop, keep them up-to-date automatically even while you’re away from your computer. Get the Latest News: The app serves as a central hub to find the latest Blizzard game information, developer blogs, and more. Filter news based on which games you play, and get breaking updates before you enter Azeroth, Sanctuary, or the Koprulu sector.