If you have observed, Quick Launch toolbar is not supported in Windows 7 and Windows 2008 also. When you right click on the taskbar, under Toolbars menu you wont find the "Quick Launch".
Windows 7 allows you to pin shortcut icons directly into the taskbar, which was the functionality provided by the Quick Launch, hence having quick launch toolbar is redundant. But some people might be interested in Quick Launch toolbar, they can use this technique/workaround provided by Microsoft to enable the Quick Launch toolbar.
The Quick Launch toolbar enable by this workaround will not be exactly similar to the earlier Windows version Quick Launch toolbar. This will be a Toolbar as you create a new toolbar using a folder having some shortcuts.
Follow below steps to enable the Quick Launch toolbar: