Until now I have tried to link to the most up-to-date license from several places. This has caused problems, unfortunately, when the license has expired and been updated. So from now on, I will link to the newest license in this separate blog:
Update: 4th December, 2018: Please try this new link. We have been having Sharepoint issues. Unfortunately, as an internal I may not be able to test these. Please let me know if this works.
Thanks for your patience, and best wishes,