Be a tech genius
You rely on your home computer to get you through the day (or night), but when something goes wrong, you may not have a clue how to fix it―which means you have to shell out a bundle to anyone who will come to your rescue. The truth is, maintaining your machine doesn’t have to be such a mystery. By learning basic security measures and solutions to frequent snafus, you can keep your computer running smoothly all by yourself at little or no cost.
NextUse a firewall

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