Updated by Alex Cowell
How to enable desktop push notifications if they were blocked?
You can check whether your desktop notifications enabled or disabled via your Account settings -> Notification settings.
There will be an indicator as per the screenshot below which currently says that Desktop Notifications are disabled.
You can easily enable your desktop notifications following the steps below:
1. Click on the "lock" icon in your Chrome browser address bar.
2. Click on the the Notifications dropdown menu.
3. Select the option "Allow" or "Ask (default)"
4. Click on the Save Changes button and reload your web page.