In Windows 11, notification center is where to find your app notifications, as well as quick settings which give you quick access to commonly used settings and apps. Change your notification settings at any time from the Settings app.
Select the Start button, and then select Settings.
Go to System > Notifications.
Do any of the following:
Turn notifications, banners, and sounds on or off for some or all notification senders.
Turn tips and suggestions about Windows On or Off.
Action center in Windows 10 is where you'll find your notifications and quick actions. Change your settings at any time to adjust how and when you see notifications and which apps and settings are your top quick actions.
Select the Start button, then select Settings > System > Notifications & actions.
Change notification settings for all senders
Under Notifications, turn all notifications on or off, and change when and where you'll see your notifications.
Change notification settings for individual senders
Under Get notifications from these senders, do one of the following:
Turn on or turn off a notification sender.
Select a sender's name and then turn on or turn off notification banners, lock screen privacy, and notification sounds, and set the priority of notifications.
Choose and rearrange the quick actions you see in action center
Under Quick actions, drag quick actions to rearrange them. This is the order they'll appear in at the bottom of action center.