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.

1) Go to Start, type in SystemPropertiesPerformance and hit Enter
2) Go to the Visual Effects tab

Then, check or uncheck thigs you like...