Let's break it down by operating system. Default Location: Bottom-right corner of the primary monitor, on the taskbar.
In short:
The system tray (also known as the notification area , taskbar tray , or systray ) is a fundamental part of a modern graphical user interface (GUI). It’s a small, yet powerful, section of your desktop that provides constant access to background applications, system notifications, and quick settings. where is the system tray