Windows makes it easy (although not obvious) to customize the Taskbar with custom icons. You don’t need a third-party app, just the icon files to replace the defaults. If you’re theming your ...

type “Windows Security,” and right-click the app in the results. Select “Pin to taskbar” from the dropdown menu. This adds the Windows Security icon to your taskbar for easy access.

Note that the new icons in the Settings app are just an experiment, which means Microsoft can pull them out of the operating system at any time (like the company did with the new taskbar animation).