Hello, lukkuk.
Welcome to Microsoft Community. We hope this message finds you well.
As we understand, you want to know how to become a Silver Partner.
We suggest you to contact the Microsoft Partner Network Team (MPN) by clicking on this link: Partner Center (microsoft.com). You can also reach this Team by dialing their direct phone number: 1 800 6767658 where you can be guided and your request can be properly taken care of.
For more information on the Exams and Competencies please review this link: Datacenter Competency (microsoft.com)
You can also create a Ticket with Azure with your inquiry here: Azure Support Options | Microsoft Azure.
In case we do not receive a response after one business day, the thread will be closed and locked.
We are looking forward to your comments.
Best regards,
Isabel Lopez.
Microsoft Certified Professional Services Center
Support: Monday to Friday
