The main tutorial for new users is our 36 minutes getting started video that guides through the first steps of the most common workflow: schematics/netlist driven design. The video is also available for download and streaming on archive.org or for streaming on youtube.
Short video on how to construct padstacks and basic footprints.
There are a few video demos in the knowledge pool.
Per feature topical howtos are normally written in the searchable knowledge pool