Hello Keeku,
Thanks for reaching out to us ! Please check on the migration guidance here - https://learn.microsoft.com/en-us/azure/media-services/latest/azure-media-services-retirement#migration-guidance-overview
Please review it to see if that helps. Let us know if you have any question regarding to this process. If you feel like your process is complicated, please also let us know, we are happy to enable you a free support ticket for this issue.
I hope this helps.
Regards,
Yutong
-Please kindly accept the answer if you feel helpful to support the community, thanks a lot.