So what is a virtual machine? It’s a computer file (often referred to as an image) that behaves like an actual computer. If you have a favorite, let people know about it in the comments below! I’ve heard that Parallels Desktop is amazing and wildly faster that VirtualBox, but I haven’t actually tried it myself. If it’s speed and graphics that you’re after, you might want to check out a paid version. There are, of course, some details like 3D graphics that might not be as good on VirtualBox as they might be on something you pay for. ![]() VirtualBoxĪlthough there are a number of popular VM programs out there, VirtualBox is completely free, open-source, and awesome. There’s no need for constant backups and restores. If something goes wrong, whether with software installations or by infecting your system with a virus, you can easily switch back to a previous snapshot. ![]() This lets you experiment freely with your environment. You can, at any point, save the state of your machine with a “snapshot” and revert back to that state if you need to. Because you can configure your virtual hardware, you can even install an old OS like DOS or OS/2. ![]() You can run software written for one OS on another without needing to reboot. ![]() Virtual machines allow you to run more than one OS at a time.
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