The option “Don’t center Taskbar” is to toggle the position setting, center or not. If you want to center the taskbar buttons, head over to the Position tab. Set up the opacity level, define the transparency style, etc.
The Style tab is where you can set how transparency works on the taskbar. To configure how your fancy taskbar will look like, run the TaskbarX Configurator.exe in the same folder. Now go download the portable zip file and extract everything to a folder and run TaskbarX.exe to launch it. TaskbarX is the free portable tool that can make my dream true. Since the transparency effects on Windows 10 don’t work effectively on the taskbar, I almost lost hope of getting my taskbar transparent until I came across this app. But one thing I missed the most is how transparency works beautifully on Windows 7’s taskbar.
Windows 10 has made many improvements on the taskbar over the years, such as accent colors based on the wallpaper, how taskbar buttons are shown on different monitors, etc.