The Widgets Pane in Windows 11 has a nice default layout that's relatively customizable. You can access it with the new keyboard command Win + W.
Your Quick Settings default to the bottom right corner of your screen, and you can pull them up with the keyboard shortcut Win + A. You can customize these by clicking the gear in the bottom right corner of the settings area.
The Notifications Center is a new feature in Windows 11 that populates by default on the right edge of your monitor. You can access it with the keyboard command Win + N.
If you work from home, you probably use Microsoft Teams frequently to communicate with coworkers. If so, access your Teams chat quickly using the keyboard command Win + C.
As with every update, Microsoft has changed Windows 11 to look different than its predecessors, and while the update looks modern and clean there are some interesting changes.