While many users find it useful and we'll see more improvements added to it in future builds, some may want to disable it altogether.īy default, the notifications can be turned off for 1, 3, or 8 hours. It comes with its own system tray icon and its own shortcut key, the previously unused Win+A, which toggles the Action Center to pop up or be minimized in tray. The 9860 Build for Windows 10 Technical Preview introduces a new feature on desktop mode: the Notification Center, later on renamed to Action Center.