Here is the series of steps involved to know about the steps to . To know about it, start by opening a web browser on your computer and type www.facebook.com into browser’s address bar and click to enter. Now, log into your Facebook account by using correct login credentials. Click settings and choose notifications in the left panel. Tap on desktop and mobile tab. Lastly, if you notice “notifications are enabled on the device” next to Chrome icon, tap to turn off to smoothly turn off Chrome notifications permanently on your Facebook device.