Hi,
Microsoft Certification is currently not supported in the Q&A forums, the supported products are listed over here https://learn.microsoft.com/en-us/answers/products (more to be added later on).
You can ask the experts in the dedicated Microsoft Certification - Exam Discounts, Vouchers, Special Offer forum over here:
https://trainingsupport.microsoft.com/en-us/mcp/forum/mcp_exams-mcp_offer
You might also try contacting the customer support in the link mentioned in your screenshot.
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(If the reply was helpful please don't forget to upvote or accept as answer, thank you)
Best regards,
Leon