Make sure you are signed out. Passwords cannot be reset if you are currently signed in. Click the user icon in the upper right corner. You are signed out if you are redirected to a sign-in page. Otherwise, click "Logout".
Passwords can be reset by clicking here: https://www.eventingvolunteers.com/users/password/new
WARNING: Make sure to perform the above on the website. The support portal has a separate account management system and is not linked to the website.