How to safeguard your older PC

Whether you have an older PC lying around your home or you're considering buying a used/refurbished PC to save money, there's nothing wrong with doing this. However, there is one problem you should know about: older computers can be more vulnerable to security threats because they haven't been given updates in a long time. This not only puts you at risk, it can also make your computer run more slowly. Additionally, if you sell or giveaway an older PC without properly clearing out the system, you...