The IoT Hub documentation can help you set up IoT Hub, learn about the platform and get your IoT projects running on IoT Hub.
IoT Hub Overview Getting started Guides
Features
Security
Contains description of available device authentication options.
Samples
Contains a list of hardware platform specific samples.
API
Contains a list of device connectivity and server-side platform specific API.
Video Tutorials
The IoT Hub Youtube channel contains useful video tutorials that cover various platform features.