It depends on many different things including but not limited to your budget, hardware, software you are planning on running (some of it is not compatible with windows 7).
Overall windows 7 is more stable than windows xp but requires sufficiently higher resoureses.
windows 7 ultimate
Windows 7 Home Premium is one of the newest software. But it is not the best. Windows 7 Ultimate is currently the best software. You can access more things with Windows 7 Ultimate than Windows 7 Home Premium.
Vista Ultimate
If you are talking about versions. Ultimate is the best one you can have. Ultimate supports the most things.
Windows XP Ultimate if you're racist.
It's windows vista ultimate , And it includes windwos ultimate extras .
I thinks windows technology is best than android technology.
That depends on what and who the system is for. Professional and Ultimate are suitable for power users and smaller businesses. Windows 7 Enterprise is suitable for larger businesses.
i have installed window7 ultimate, but it has no graphic. can u tell me where can i get it?
which version of Windows Home Premium are you referring to Windows Vista Home Premium Windows 7 Home Premium which version Windows Ultimate are you referring to Windows Vista Ultimate Windows 7 Ultimate Windows 8 doesnt include Home Premium Home Basic and Starter the Home User will use Windows 8 and or RT for the Ultimate and Enterprise and small business users Windows 8 Pro there will be no ultimate Windows 8 Pro succeeds Windows 7 Ultimate i dont think you can upgrade from Windows 7 Ultimate to Windows 8 Pro
It works on xp,vista, and 7 best on win ultimate
windows 7 ultimate is the best, if you do not need XP mode and different language in windows 7 , win 7 home premium version will be a good choice too