You can find the software on reputable utility hosting sites: TrayIt! Download - Bleeping Computer

Quickly send a program to the tray by holding the Shift key while clicking the standard minimize button. How to Download and Install TrayIt!

Frees up "prime real estate" on your taskbar by hiding background processes.

If you are looking to declutter your Windows desktop and reclaim valuable taskbar space, the decision to is a smart move. This lightweight, free utility allows users to minimize any running application into the system tray (notification area) instead of the traditional taskbar. What is TrayIt!?

is a classic productivity tool designed for older and modern versions of Windows. While your taskbar can quickly become overcrowded with active windows, TrayIt! shifts background applications—like email clients, media players, or chat tools—into small icons near the system clock. Key Features and Benefits

You can create specific rules for each application, such as having them start minimized or hiding them from the taskbar permanently.

The software is tiny (under 1MB) and does not require a formal installation; it can run directly from a ZIP folder or a USB drive.