How to get the old Windows XP/Vista Taskbar back in Windows 7
The first thing noticeable when Windows 7 is installed is the taskbar. It has been improved to minimize the number of clicks needed to access your windows, as well as to improve 
usability overall. Some users may want to switch back to the old taskbar, follow the steps below.
How to change the Windows 7 Taskbar back to the XP/Vista style taskbar
1.   Right click on an open area in the taskbar and select properties.
2.   From the taskbar buttons drop-down menu, choose Never Combine. You may also want to check the Use small icons box under Taskbar Appearance.
3.   Press OK and now you have the old XP/Vista style taskbar.
