Unable to reset password for education cloud trail org , password reset link received through email is directing to username page
2 answers
Most probably you're using Outlook or any other email tool with some security features included. These are changing the underlying URL with something like "securelink" which redirects you to the login instead of the change password page.
I don't have a proper solution for it - just a workaround: you can spin up a new org, but use any personal web-based email address (like yahoo, gmail or whatever). These web-based emails usually don't change the URL, so you will be able to set your password and use the new dev org.
https://trailhead.salesforce.com/trailblazer-community/feed/0D54S00000Je90D