Hi Trailhead Support Team, I’m currently working on a Trailhead hands-on challenge (Agentforce – Build an Agent). I connected my playground and was able to launch it, but the verification step is not awarding the 100 points. Here is what happened: * I

This help also refers to the same post. 

https://help.salesforce.com/s/articleView?id=000385386&type=1

Contact Salesforce Support for a password reset if you:

• Are a System Administrator, and no other admins are available to assist you with a reset
• Are not a System Administrator, and your previous admin(s) is/are no longer with the company

After you have successfully logged in, set up your security question by following the steps in this document: Change Your Security Question

If you receive the following error: You Cannot Reset your Password You Haven't Selected an Answer to Your Password Hint. Please refer to the community post here. 

Please review this documentation if encountering issues with your Salesforce 'Reset Password' link being expired.