SideWinder, hvordan for jeg det til at virke i XP

Jeg har problemer med at installere softwaren til mit nye sidewinder rat hvorfor kan man ikke installere det i win xp pro.
Hvad betyder nedenstående.
Hvordan skal det forstås (member of the Administrators group)
If you have Windows XP Home Edition, the SideWinder software should install and function properly. If you have Windows XP Professional Edition, you will need to be a member of the Administrators group in order to install and use the SideWinder software.