if your have windows 7, you have windows 7. if you have windows xp, you have windows xp. that's the difference.
Because with reliability and stability it second to Windows 7, the only difference between 7 and XP is 7 can support a larger variety of services and applications compared to XP.
select this: http://www.microsoft.com/windows/windows-7/compare/versions.aspx(I do not have any affiliation with Microsoft. All copyrighted content.)
Windows Vista is the operating systems that came between Windows XP and Windows 7. As of 2013, the newest version of windows operating system is Windows 8.
Windows 7 is newer. Different style. Different OS. Different name. Can do more. Faster (depending on PC specs). Easier. Better(?)
windows 7 has areo visuals and everything can be transparent where xp doesnt it also supports a wider range of commads and has more advanced networking capabilities than xp but xp isnt far off for now :)
Windows XP is the program that actually runs your computer so you can use it (the follow up programs are Windows Vista, Windows 7), Windows 2007 is related to the Office programs like Word, Excel, PowerPoint etc.
It is Clear that windows 7 is new than windows xp
Well, Windows 7 Professional comes with, "XP Mode." "XP Mode" is a program installed Windows 7 Professional where you can use XP on a Windows 7-upgraded/Windows 7-installed PC or notebook.Windows 7 Home Premium, and Windows 7 UltimateDO NOT come with "XP Mode."