np1982 They are in the M365 Admin Center now
Access your Multiple Activation Key from the Microsoft 365 Admin Center
Customers who can't connect to Azure Arc to apply ESUs can use Multiple Activation Keys (MAK) through Microsoft 365 Admin Center:
Sign in to the Microsoft 365 Admin Center.
Select Your products > Volume licensing > View contracts
Select your agreement number used to purchase ESUs, the three dots beside it (More Actions icon), then select View product keys. All the product keys available to the agreement shown on this page.
Once you have your MAK, install the new key on your eligible servers. To learn more about installing and activating your MAK, see our Tech Community blog post Obtaining Extended Security Updates for eligible Windows devices.
Source: https://learn.microsoft.com/en-us/windows-server/get-started/extended-security-updates-deploy#access-your-multiple-activation-key-from-the-microsoft-365-admin-center
I can't get a screenshot as that bit of my demo portal is empty. If you take a look at the location described above then you might want to share a redacted screenshot for others here