Windows 7 is the second-to-latest version of Microsoft Windows.
Windows 7 Ultimate - is the operating system. Windows service pack 1 is a downloadable 'patch' to update the Windows software.
No - you have to do a 'clean install' - which involves erasing everything from your hard-drive and installing Windows 7 from scratch.
Yes you can windows 7 has what is on windows xp and more.
Windows 8 refers to the operating system (OS) on a computer, and if you had, for example, a computer with Windows7 and you wanted it to be 8, you could just purchase a copy of Windows 8, put the installation disk into your computer and follow the instructions to install windows 8.
Windows7 belongs to which company ?
No it is just with XP for windows 7 you can use windows mail
This is the newest official version of windows. Windows 8 is being developed but it isn't official yet. You can download a preview of it to install to your computer if you want.
you can download halo2 but not for windows7
Yes, you can downgrade from windows 8.1 to windows 7. What you are going to need is a bootable windows7 disk.
Yes, It does support Windows 7.