Jailbreaking of IPhones

Jailbreaking is the process of removing hardware restrictions on iOS, Apple's operating system, on devices running it through the use of software and hardware exploits; such devices include the iPhone, iPod touch, iPad, and second-generation Apple TV.
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Step 2: Jail breaking of iOS 8.4
Step:3 Jail breaking of iOS 8.3
Important points before proceeding:
TaiG jailbreak is available for both Windows and. Mac users can follow tutorial on how to jailbreak iOS 8.4 using TaiG jailbreak on a Mac for the step-by-step instructions.How to Jailbreak iOS 8.4 on Mac using TaiG JailbreakTaiG jailbreak is an untethered jailbreak.
TaiG jailbreak tool can jailbreak iOS 8.4, 8.3, iOS 8.2 and iOS 8.1.3.
Please take a backup of your device using Use iCloud or iTunes to back up any and all personal information that you need to keep safe.
The jailbreak has been reported to be working in most cases, but on the off chance something goes wrong, it’s a good idea to have an escape plan.
Disable any Anti-virus programs or firewalls temporarily that could prevent TaiG Jailbreak from connecting to the internet
Jail Breaking of IOS 8.4, 8.3........

Step 1: Before you start, please take a backup of your device, preferably using iTunes.
Step 2: Download the latest version of TaiG jailbreak from TaiG Jailbreak download page on your computer, and unzip the zip file.
Step 3: Connect your device to your computer using the USB cable.
Step 4: Temporarily Disable Passcode from Settings > Touch ID & Passcode.
Step 5: Also temporarily turn off Find my iPhone from Settings > iCloud > Find my iPhone.
Step 6: Please launch the application as an Administrator. Right click on the TaiG exe and select the “Run as Administrator” option.
Step 7: 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.
Step 8: 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!”
Jail Breaking of IOS 8.1.1
Follow these instructions to jailbreak iOS 8.1.1 and iOS 8.2 using TaiG jailbreak.
Step 1: Download the latest version of TaiG jailbreak from this link (http://www.iphonehacks.com/download-taig-jailbreak)(click on download link) on your computer, and unzip the zip file.
Step 2: Connect your device to your computer using the USB cable.
Step 3: Disable Passcode from Settings > Touch ID & Passcode.
Step 4: Also turn off Find my iPhone from Settings > iCloud > Find my iPhone.
Step 5: Please launch the application as an Administrator. Right click on the TaiG exe and select the “Run as Administrator” option.
Step 6: TaiG will take some time to detect your device. Once you confirm that it is showing the correct firmware version, deselect the TaiG App Store (the one in Chinese), just below Cydia 1.1.16.
Step 7: Click on the green jailbreak button to proceed. You will see the circular progress bar.
Step 8: After the jailbreak is complete, your device will reboot automatically, and you should should see the Cydia icon on the Home screen.
I am not the author of this i just copied it from a website
http://www.iphonehacks.com/jailbreak_iphone
And iam not responsible for any damage done to your phone.