No difference.  I have XP Pro and that is the same download I use.  It works fine.  One thing though, don't know if it matters or not: I have Service Pack 1 and the .NET Framework installed.  This may or may not be required, but it wouldn't hurt to have them anyway. 
 
EDIT: Corrected some spelling mistakes...not quite awake yet :P 
		
	
		
		
		
		
		
		
		
		
		
	
		
			
			
			
			
			
			
			
			
			
				
			
			
			
		 
		
	
	
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