Press and hold the Shift key and right click on the folder or drive that you want to open a command prompt with the focus at, and click on Open Command Window Here. Taken from here.

Right-click an empty space on the Windows 7 taskbar and select Toolbars > New Toolbar.

Enter the following path: %userprofile%\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch

Click on Select Folder

The Quick Launch toolbar should appear.

Taken from here.

Here I will keep list of Windows 7 widgets:

Clipboard Manager

Open My Computer -> Organize –> Folder Search Options in Windows Explorer

Then check Show all folders and Automatically expand to current folder.

Taken from here.