When you want to find a great and free 3D Virtual Desktop for Windows XP, DeskHedron is the one. It supports until 9 virtual desktop. You can control to add desktop or remove desktop easily at icon tray. Take a look at my DeskHedron installed on my windows XP.
DeskHedron - Control from Icon Tray
You can download DeskHedron here
The official blog of DeskHedron

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