Push Notifications
The community offers to push notifications if your browser's permissions allow it. You may see a popup in the community allowing you to enable these permissions for the site.
You can also enable/disable push notifications by clicking on your avatar near the upper right-hand corner of the site and selecting Account Settings from the drop-down menu.
You will now see left-side navigation. Select Preferences.
Scroll down to Push Notifications to set your preferences.
Enabling push notifications will enable them for this device only.