Top 10 Simple Things Every Computer User Should Know How To Do No matter how tech savvy you are, there are certain things every one of us has to deal with when using a computer, but we don't always deal with them in the most efficient ways. Here are 10 things that everyone can -- and should -- learn to keep their computer fast, safe, and easy to use. At Lifehacker, we take a lot of the simpler stuff for granted: how to avoid viruses, use keyboard shortcuts, or even just keep your data backed up. Even if you've mastered all of these tricks (and there's a good chance you haven't), you may want to send this along to some of your less computer-savvy friends. After all, the more they know how to do, the less they'll call you for help. Please enable JavaScript to watch this video. 10. Set Up A Dead Simple Backup System We all know we should back up our computers, but it's always one of those things that you'll set up "one day". Setting up a backup only takes minutes to do, though, so you can do it right know and forget about it until you need it -- and when you do need it, you'll be glad you set it up. If you're just backing up to an external drive, you can just use the simple tools built in to your computer, like Windows Backup or Apple's Time Machine . However, that'll only keep