Required Hardware:
Raspberry Pi 3 - https://www.amazon.com/dp/B01CD5VC92/...
Micro USB Power Adapter - https://www.amazon.com/dp/B01DBZMQVQ/...
MicroSD - https://www.amazon.com/dp/B01DOB6Y5Q/...
USB cable to connect to your printer - You should have one, what is wrong with you? If not get one here: https://www.amazon.com/dp/B01EK87T9M/...
(BE SURE the little end fits your printer! Some use microUSB some are standard USB Check before ordering!)
Optional:
YOU DO NOT NEED THIS WITH THE Pi3 - OLDER VERSIONS YOU DO: Wireless Dongle: https://www.amazon.com/dp/B003MTTJOY/...
Webcam: - https://www.amazon.com/dp/B006JH8T3S/...
Printed Pi 3 Case - http://www.thingiverse.com/thing:1719550
Software (WinOS)
Octo-Print - http://octoprint.org/
Win32Imager - http://www.raspberry-projects.com/pi/...
Putty - http://www.chiark.greenend.org.uk/~sg...
Notepad ++ (Optional) https://notepad-plus-plus.org/
Support OctoPi (octoprint) here: http://octoprint.org/support-octoprint/
Special thanks to @makersmuse and @thomassanladerer for their great tutorials!