This 3.5-minute video shows how to add billing info and become a paying member.
Note:
The screen to fill in your billing info has been updated and this video will be updated soon too. Thanks for your patience. Here's what it looks like now:

To watch in Full Screen, click this icon in the lower right of the video:

FAQ in written format:
How to Activate Your Account and the Benefits of Activating
Revised 9/15/25 jyc