Source: PC Mechanic
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Have you ever wanted to test some software on your computer without the risk of messing anything up? This is a pretty common thing to do. There is a lot of software on the internet advertised to do things like anti-virus, anti-spyware, registery optimization, and other system level tasks. This is not the kind of software you would want to test on your primary computer because if something went wrong, it could mess up your PC. Many people have had the experience of testing a registry optimizer, for example, and find that it totally destroys their installation of Windows. The only solution, then, is to re-install. And testing spyware or virus fighting applications usually entails purposely infecting a PC with various malware and seeing how effective the utility is at detection and removal. You might have wondered how various tech sites and magazines test such software. Surely you don't think their infecting their office PCs.