Pin a program to the taskbar in Windows 7

If the program is running then right-click the program from the taskbar and click on Pin this program to taskbar.
You may also pin a program from Start menu or by locating the program on your computer and then right-clicking on it and clicking on Pin to taskbar option.
You may also drag the program from the desktop, Start menu, or from any location on the computer to the taskbar to pin the program to the taskbar.

To unpin a program from the taskbar, right-click on the program and click on Unpin this program from taskbar.