I'm building a new pc and need an os, I want xp. Now I was wondering what the difference between
http://www.newegg.com/Product/Product.aspx?Item=N82E16837116193
and
http://www.newegg.com/Product/Product.aspx?Item=N82E16832116056
http://www.newegg.com/Product/Product.aspx?Item=N82E16837116193
and
http://www.newegg.com/Product/Product.aspx?Item=N82E16832116056