Trouble installing a program on xp pro sp3

Its just one of three computers i use for downloading. I have win 7 on the other two. Anyway i tried looking in that section but xp is not an option i think the options where only 98,95,2000 and nt
 
Well im afraid you will have to find some other form of masking your IP. For example get a proxy list and a program that uses a proxy and switches it every few minutes or you could use a VPN, like CyberGhost or PrivateInternetAccess .