Microsoft’s Ignite is live from 22nd-24th Sept 2020, Microsoft is giving a free certificate too for all participants who complete the challenge, Details below

Register for ignite Event on below link first:

https://myignite.microsoft.com/

After this sign up for the any of the interesting challenge using below URL: https://csc.docs.microsoft.com/ignite/registration

After this you will be able to see that under challenges section

Docs URL:https://docs.microsoft.com/en-us/users//challenges

After completing your first challenge you will earn a free certification exam, you will be getting an e-mail around Oct 15 with more details on how to redeem that to schedule the certification exam.