Hi, what are the dangers and risks for a desktop computer in terms of lifespan? I covered most of the heat and physical damage after years, there is malware/virus risk too in general group of dangers but I'm unsure if a virus can damage my hardware. Of course we use a anti virus software. I just want to make sure everything is covered for a longer use of a computer we own, we do not change or purchase hardware often, that's why I'm asking. How one can do get most of their computers in terms of lifespan? Shutting down daily PCs we use for some time can any help?