How to change touchpad settings in winXP MBA?

Succesfully got my windows Xp on the MBA - working well just I cant find how to make adjustments to the touchad settings.

anyone know how?

Going to try changing settings in Mac OS and see if it stays when windows boots up.

I never ever us the Mac OS so had hoped to change this in WinXP.

If anyone knows how to do this in XP I`ll be gratefull.