Why should you make backups of your system? Surprisingly there are still users who ask that question.
The answer is simple: to assure you that, in case you get a virus, for example, you can restore your PC to its previous, clean state. Restoring is the most effective measure against disasters of this type, and the creation of a hard drive image is essential for this.
And what is the simplest way to do it? With Clone Genius. With Clone Genius you can create (and restore when you need to) an exact image of your hard drive, including primary startup sectors, data partitions, system files, etc. Absolutely everything.