Right-click the taskbar, and select Properties.
Uncheck Group similar taskbar buttons.
Customize taskbar grouping
The taskbar buttons are grouped when you have three or more windows of the same
program open. You can change this value:
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
"TaskbarGroupSize"=dword:00000003
"00000003" is the default value. Change it to what you want.
Restore the show desktop shortcut in the taskbar's quick launch toolbar
Go to C:\Documents and Settings\{username}\Application Data\Microsoft\Internet
Explorer\Quick Launch In this
folder, create a text file named ShowDesktop.scf with the following content:
[Shell]
Command=2
IconFile=explorer.exe,3
[Taskbar]
Command=ToggleDesktop
