Windows Vista was technically the replacement for Windows Xp. However, it was so unpopular that many users simply waited for the release of Windows 7 to upgrade.
Windows Vista
Windows XP and its predecessors.
Windows 7 is named Windows 7.
Windows XP is an example of an OS. Windows Vista is an example of an OS. Windows 7 is an example of an OS. Mac OS X is an example of an OS.
The standard OS for a PC is Windows, and the latest version is Windows 7.
Yes, Windows 7 comes with Windows Firewall in the OS itself.
The operating system "Windows 7" was released for public use in October of 2009. The Operating system that it replaced was "Windows Vista", a very troubled Operating system. The new OS to upgrade from Windows 7 is Windows 8 and it was released in October of 2012.
The version of Windows before 7 was Vista. But there could have been countless other non-windows OS releases before 7, such as ubuntu releases etc.
Windows 7
Windows 7
Windows 7 traces back to OS/2 OS X traces back to NeXTSTEP
Windows 7 is an OS for computers. But if you mean windows 7 the new phone OS then i would have to say android. There are thousands of apps you can buy (and still hundreds that are free)
No , you cannot run OS X on a windows machine. Buy a mac