Windows XP is the basic software works much better than all other softwares among windows.
I using this is from a long time.
In middle I have installed windows 7 but it is hanging a lot, after that I again came back to xp only. In many offices and colleges like many areas using xp only. Because this will work better with faster connectivity.
We can use this with less Ra also. For latest is we need more ram facility. And in this all the softwares will work. But there is no option for wifi connectivity, we can use only local area net connection.