Moreover, while Microsoft's Vista operating system has received mediocre reviews, the Redmond, Washington-based software giant offers a host of tools, from e-mail software to its ubiquitous Office productivity suite, that will make it impossible to break Windows' lock on big businesses anytime soon.
Microsoft just unveiled the first major update to Windows 8, and it includes tweaks to nearly every aspect of the operating system: the lock screen, Start menu, Windows Store and onscreen keyboard.