How to jailbreak iOS 7.0.4 with evasi0n 7 version 1.0.4

1. Back up your iPhone or iPad. Always do this before attempting to jailbreak.
2. Download the evasi0n jailbreak tool: Download for Mac, Download for PC
3. Plug your iPhone or iPad into your computer.
4. Launch evasi0n on your Mac or PC. If you're on a Mac running Mountain Lion or Mavericks, you may have to right click the evasi0n jailbreak tool and clickOpen and confirm you'd like to open it.
5. Click Jailbreak and then wait.
6. After a few seconds, you'll see a message asking you to unlock your iPhone or iPad and tap on the evasi0n7 icon. Do that now.
7. You may be asked to unlock your device one more time if you have a passcode.
8. evasi0n should now give you a message that your device was successfully jailbroken and the process is done. Just click Exit on your computer.
9. Your device may reboot a few more times in order to complete the process and that's it! You should now have Cydia on your iPhone or iPad once more.