Download Link File: http://directfileshare.com/JillThoms40898/Windows
This is the easiest and shortest tutorial where I will show you how to jailbreak your iPhone 3G or 3GS with Blackra1n on Windows.
To Download iPhone 3G firmware go here:
Jailbreakandunlock.com/downloads
To Download iPhone 3GS firmware go here:
Jailbreakandunlock.com/downloads