Keep the Windows 10 Action Center Always Open Until Closed contains the registry files to force the Action Center to remain on top until closed.
Once the Action Center is open, you will need to click the Taskbar icon (see screenshot below) to close it. This modification is handy if you frequently close the Action Center before reading or removing notifications.
Download 'Windows 10 Action Center Always Open Until Closed' and extract the two files.
Double-click 'Action Center Always Open - ON.reg' or 'Action Center Always Open - OFF.reg' (Default).
Click Yes when prompted by User Account Control. Click Yes when prompted by Registry Editor.
MajorGeeks News and Software Updater is a portable app that can show you all of the latest news and downloads on MajorGeeks.Com from your desktop. Video walkthrough available.
MajorGeeks Windows Tweaks contains over 200 files, less than 3MB total, including Registry, PowerShell, Visual Basic, Shortcuts, and Batch Files to enable tweaks and many hidden features in Windows 11, 10, 8, and 7 for any skill level. You can browse all of the tweaks individually here.
Restore Windows Photo Viewer on Windows 10 & 11 contains the registry files to set Windows Photo Viewer as the default image viewer. Video tutorial available.