Most computers come with just one operating system, which is usually all you need. However, if you feel like trying out a different one later, you don't need to get a whole new computer. Dual-booting ...

How to check your Windows PC for expiring security certificates - a big one is ending soon ...

Turn off your PC instead of restarting it. Disconnect the power cord. If it is a laptop, disconnect its charger and remove its battery (if removable). Press and hold the power button for up to 45 ...