Step 1: Download the iOS version for your device using our iOS Versions Tools
Step 2: Download redsn0w 0.9.6 beta 4 using our Jailbreak Programs Tool
Step 3: Connect your device to pc. Open redsn0w, push the browse button and load the file you downloaded on step 1.
Step 4: Choose your options (including install Cydia) and press next
Step 5: Put your device in DFU mode. Redsn0w will jailbreak and restart your device. Once this is completed, you will have a jailbroken device.