Can you jailbreak iphone 4 without itunes?

I can't make itunes work so igive you, ijast watn to jailbreak my iphone 4, can someone tell me which software allow me to do that
And when i try to start itunes it say i need apple application support, but i try to install it again and again but it still not working, so can you give me some advice for this thanks

You can turn to Jailbreak is specailly designed for iPhone jailbreak, it can work for iPhone 3GS and iPhone 5 that run on iOS 6.1.3 and iOS 6.1.4, and also for iPhone 4/4S/5/5S/5C that run on latest iOS 7 with three easy steps.

ITunes doesn't jailbreak period. As far as how it depends on which version of iOS you are running.

Use Evasion to jailbreak. Here is a simple guide to follow.