Restore "Show Desktop" icon in Quick launch

You may accidentally delete the Show Desktop icon in the quick launch bar.
You can restore it by the following methods.

Method 1:

1. From the Start menu, select Run.
2. Type (or Copy and Paste) the following:

regsvr32 /n /i:U shell32.dll

3. now hit Enter.

Method 2:

1. Open Notepad.
2. Copy and paste the following:

[Shell]
Command=2
IconFile=explorer.exe,3
[Taskbar]
Command=ToggleDesktop

3. Save the file with name Show Desktop. Change the extension from .txt to .scf .

4. Drag this file to the Quick Launch area.
OR
Copy that file to this folder:
%Appdata%\Microsoft\Internet Explorer\Quick Launch (Copy and paste this Run to get to the folder directly)