To get a chance to be part of the exciting Cloud Skills Challenge, you will have to register and participate during Microsoft Ignite 2020 here https://myignite.microsoft.com/home
You will then have to sign up to be notified by Microsoft when the Cloud Skills Challenge starts.
Note: Signing up to be notified does not mean you have registered for the Microsoft Ignite Cloud Skills Challenge.
See here for the list of ELIGIBLE EXAMS – https://docs.microsoft.com/en-us/learn/certifications/microsoft-ignite-cloud-skills-challenge-2020-free-certification-exam?WT.mc_id=AZ-MVP-5003494
The exam offer redemption window starts October 12, 2020 and expires on March 31, 2021
Sign up and get your Microsoft certifications! I hope this blog post helps you to write and hopefully pass one exam.
Get sharing. Send to your friends and colleagues. I wish you the best of Luck.