you should have received login details in your inbox. Search for email subject "Your Mindvalley Login Details"
All the best,
In Mindvalley Support Forums you can ask and answer questions and share your experience with others!
To find your quests please go My Programs tab or Channels and scroll down the page to view them.
Here is an article to assist on how to navigate your account: https://faqs.mindvalley.com/en/articles/3339455-how-to-navigate-your-mindvalley-account