From the web:
After you log in to your account, click the circle in the top right corner of the page. A drop-down menu will appear where you will see Account Settings
Here you will see the following tabs: My account, Preference, Payment, Connect, Devices, Communication, and Support.
From the iOS or Android app:
Go to the Library tab and then click the little gear icon in the top right corner. Our mobile apps do not offer as many options as the Account Settings on the website.
Here you will see options such as Profile, Preferences, Notifications, Offline Video Quality, Connect to Apple Health, Connect to Strava, Our Manifesto, Contact Us, Support, Legal, Restore Purchase, Logout.