A virtual machine is a software-based emulation of a physical computer. It runs an operating system and applications just like a real computer, but it's hosted on a physical machine called the host.

Virtual machines emulate physical computers; they're easy to create and configure, and you can experiment without harming the ...

Virtual machines have become an essential part of computing. They’re especially vital for businesses running cloud applications as well as home users. The most critical function of a virtual machine ...

Most modern computers are powerful enough to run entire operating systems within your main operating systems, which means virtual machines are more commonplace today than ever. Here’s a look at the ...

Virtual machines can seem juuuuust a bit too geeky for most otherwise computer-friendly people. That's sad, because it's an easy, free way to try another operating system, or use those one or two apps ...

The takeaway from recent revelations of widespread NSA spying is even the best security software is unlikely to keep out elite hackers. One frequently offered defense is to use a separate PC to access ...

If the imminent end-of-support deadline for Windows XP has finally spurred you to make the update to Windows 8, you might be concerned about whether you’ll still be able to run your old programs. And ...

A virtual machine is a computing resource that uses software instead of a physical computer to run programs and deploy applications. It operates by running one or more virtual “guest” machines on a ...