The system tray in taskabr is next to the clock and date in Widnows 10 and it shows applications' icons as well as system notifications. To show / hide icons from Taskbar in Windows 10, do as follows:
1. Open the Settings from the Start Menu.
2. Click to open the System settings
3. From the left menu, click to open the Notifications & Actions settings
4. Click the "Select which icons appear on the taskbar" option, and specify which icons are allowed in the notification area. Network, Volume, Windows Explorer and Windows Defender User Interface are some of the system notifications you can toggled on/off