Solution: The webinars can be found on the home page of the SB OST platform -- once you have logged in. They can be found in the "Special Announcements" section on the left-hand side of the webpage. See the screenshot below. The webinars are available for download. You will find the instructions on the page with the links to the webinars. I tried to add some screenshots but, evidently, this is not allowed.
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