Textron Aviation has now provided archives of previous webinars they have hosted, including a trove of King Air technical and informational webinars.
The archives can be accessed through the company Customer Access website at www.txtavsupport.com (you will need to register to access).
From the home page, scroll down to CONFERENCE & WEBINAR TECHNICAL PRESENTATIONS and select Past Webinar Presentations.
With the aviation industry constantly evolving, this is an excellent resource to go back and catch up on the latest information straight from the source.