Eusing Taskbar Hide will hide any running application window with a simple mouse click.

All you need to do is select the application in the Taskbar Hide list and click the Hide icon or click the mouse button to popup the menu and select 'hide item' for the change to take effect.

Taskbar Hide can also hide/show/close the program windows quickly by pressing a hotkey.

Eusing Taskbar Hide Features:

Hide/Show icons from the system tray
You can hide some of the less used icons from the system tray. The operation is the same as to Hide/Show application windows.
Modify application windows order on the taskbar
You can arrange the windows on the taskbar according to your preference. Select the application in the Taskbar Hide list and use the Up and Down arrows to reorder the application windows. This feature becomes useful when you want to put related application windows together.
Stay on top window
You can select 'Always on Top' (topmost) or 'Normal' (Non-topmost). The former places the selected window above all non-topmost windows, and this window will maintain its topmost position even when it is deactivated. The latter places the selected window above all other non-topmost windows but below all topmost windows.
Minimize to tray
You can minimize any running application window to the system tray instead of an icon on your taskbar. You can bring the application window back to normal using Show, or double-click the left mouse button on the icons, or click the right mouse button from the menu.
Hide taskbar
You can select to hide taskbar or Hide/Show any of the following: taskbar, start button, task window, system tray, and time clock.
Window Properties
You can find out more information about the selected window with the Window Properties dialog box. Such as window handle, class name, process id, thread id, window style, and exstyle.
Maximize all windows
You can use Taskbar Hide to maximize all windows or only IE windows so that they cover the entire screen. Also, you can minimize all windows to the taskbar.

Similar:
MajorGeeks Windows Tweaks
How to Customize the Windows 10/11 Taskbar
Get More Windows Screen Space With a Smaller Taskbar
How to Use Large or Small Taskbar Buttons in Windows 10 & 11
How to Center Your Taskbar Icons in Windows 10 & 11

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