Hello,
To submit a request online for an on-premises product, sign-in to Support for Business using a Microsoft Account (MSA) or Microsoft Entra Directory account, complete your one time profile, and from the Manage support requests page click +Create a new support request.
You may follow the steps outlined in New On-Premises Support request
Please note: The 5-pack is not available in all regions. You are recommended to purchase a single
incident unless you are sure all incidents purchased will be used within 1 year.
Regards,
Karlie