Windows 11 23H2 and 24H2 are testing a feature that allows you to add a "Clock" with seconds to the Notifications Center.

Microsoft is bringing the clock back to Windows 11's calendar flyout . No one quite knows what goes down in the Microsoft ...

Enable the setting, click Apply, and exit. To show the notification area in Windows 11/10, click the clock or notification bell icon on the taskbar. Alternatively, you can press the Windows key ...