Firstly, make sure that your internet browser is up to date, we recommend using Google Chrome internet browser on all devices as it seems to work well with the member's area.
Download it free here:
Also, here is a video that Charlie has recorded for you:
If that does not sort out the issue, here is some more information below
Our video lessons are hosted by Vimeo Pro to ensure we can always deliver HD video lessons that play smoothly. If you are having issues playing videos with us, this list of issues and resolutions on the Vimeo website will definitely get you sorted out: https://vimeo.com/help/faq/watching-videos/playback-issues
And of course, if this all seems a little confusing...
Not a problem at all!
Send us a support message here or to firstname.lastname@example.org and we will get you sorted from there ;-)