I purchased a netbook, and the only OS available was Windows 7 "starter edition" -- and you can't even change the wallpaper! So, I am confused why this product

I purchased a netbook, and the only OS available was Windows 7 "starter edition" -- and you can't even change the wallpaper! So, I am confused why this product even exists. (But I guess if Microsoft wants to put their brandname on something which is intentionally defective, that's up to them.)