How to Jailbreak iOS 8.1.3 - 8.4

iOS 8.1.3 - 8.4 can be jailbroken using Pangu jailbreak tool.Take a backup of your device using iTunes or iCloud before proceeding. Jailbreaking your Apple device may void your warrant.Proceed  at your own risk.

Important
-Temporarily Disable Passcode from Settings > Touch ID & Passcode(Settings -> General -> Passcode Lock On -> Turn Passcode Off). Also turn off Find my iPhone from Settings > iCloud > Find my iPhone.
-Please ensure you’ve updated iTunes to the latest version.

Requirements:
Windows 7,8,10 or mac 
TaiG Jailbreak Tool version 2.4.5 for windows version 1.1.0 for mac
Latest version of iTunes
Reliable Internet connection.
A good condition Data cable . Original cable is better.


Supported devices :
iPhone 5s, iPhone 5c, iPhone 5, iPhone 4S and iPhone 4
iPad Air, iPad 4, iPad 3, iPad 2
iPad mini, Retina iPad mini
iPod touch 5G


Guide:

Step 1: Before you start, please take a backup of your device, preferably using iTunes.

Step 2: Download the TaiG jailbreak tool version 2.4.5 for windows or version 1.1.0 for mac from below TaiG  page on your computer, and unzip the zip file.
http://www.taig.com/en/

Step 3: Connect your device to your computer using the USB cable.

Step 4: Please launch the application as an Administrator. Right click on the TaiG exe and select the “Run as Administrator” option.

Step 5: TaiG will take some time to detect your device. Once you confirm that it is showing the correct firmware version, deselect the 3K Assistant 2.3.0 (TaiG’s App Store), just below Cydia 1.1.18.

Step6: Click on the green Start button to proceed. You will see the circular progress bar.

Step 9: After the jailbreak is complete, your device will reboot automatically, and you should see the Cydia icon on the Home screen. The TaiG jailbreak tool will also tell you that the “Jailbreak Succeeded!”