How to jailbreak iOS 7

What is Jailbreak?

Jailbreaking is the name given to the process used to modify the operating system running on an iPhone, iPod touch, or iPad to allow the user greater control over their device, including the ability to remove Apple-imposed restrictions and install apps obtained and other content through means other than the official App Store (among the most prevalent of these alternative sources is Cydia). 
To understand more good, i can say one thing, is the same Android rooting, but just jailbreak installing Cydia, which able you to download paid programs of iOS devices for free.
Do not forget to read how to Root any Android device.

How to jailbreak iOS 7?

You need to download this program into your computer, there are version For Windows and for Mac. And after that you need to watch a video below, the process of jailbreaking.