You can click on the bell icon on the top-right forum to view all notification of your account.
After that, click on "View all" to manage all your notifications, for example: "make as read".
If you want to get these notifications via your email, please turn it on in your profile settings page.
Step 1: Click on the account name on the top-right forum
Step 2: Click on the "Edit profile" button
Step 3: Turn "Email notifications" on.
It's all.
Note: You also need to enable this feature in the settings of the admin page.