How to embed the arrow icon into the Windows 7 taskbar
To embed the arrow icon for the notification area in taskbar in Windows 7.
1. Right click on the taskbar and select "Properties". A pop-up window will open like the below image.
2. Click on "Customize" button and another pop-up window will open like the below image.
3. Simply uncheck the check box "Always show all icons and notifications on the taskbar". It will embed the arrow icon on taskbar and items on the taskbar will show separately in a pop-up.
Hope it helps!
If there is any confusion please let me know.