The Microsoft Internet of Things Pack for Raspberry Pi is the best way to get started using Windows 10 and your Raspberry Pi as an IoT enabled device.
A collaboration between Microsoft's IoT division and Adafruit, this pack's the best way to get started using both Windows 10 on your Pi and to start doing some popular projects with the internet of things.
Check out windowsondevices.com for more information on how to set up Windows 10 IoT Core on your Raspberry Pi and download project samples!
This pack does NOT come with a Raspberry Pi Computer!
You can also use this pack with Raspbian Linux & Python, Here's a few Raspbian-based learn guides that are worth checking out to start. While they're for the Model B, they will all apply to the Raspberry Pi Model B+ and the Raspberry Pi 2 & 3.
Op het Adafruit Learning System: