Hello, good day and thanks for your question. The rollout for ESU is still ongoing which means that it will not yet be available to everyone but hopefully it will arrive the soonest. Please ensure that you have met the requirements and you can also refer to the below link for the complete information for this.
You can also check out the link below for additional troubleshooting from Sumit in the event that you will encounter an issue once you have seen it from your end.
https://www.yourwindowsguide.com/2025/09/cant-enroll-in-windows-10-esu.html