Backing up your computer doesn’t have to be difficult or expensive. The program I now use is called Backblaze, and it has to be the easiest and most cost efficient backup software I have ever tried.
It costs $5/month, or $50 per year if you pay for a year up front, per computer for unlimited data. Unlimited. This means all the pictures and music that you can cram onto your computer, or external hard drive, are automatically and securely backed up to the cloud.
You can easily restore one file, or your entire computer if it is damaged or stolen.
Works for both PC and Mac, and business versions are available.