You can set up desktop notifications in Gmail so that you get alerts when you receive new emails. You’ll even see notifications when you’re not actively using Gmail. Learn how to get Gmail notifications on your desktop using any web browser.
How to Enable Gmail Desktop Notifications [Tutorial]
To enable Gmail notifications, you need to make a small change to your Gmail settings and then instruct the browser to accept push notifications.
Select the Settings gear in the top-right corner of Gmail, then select View all settings from the drop-down menu.
Select the General tab.