What are all the ways to get discount or free vouchers for Microsoft certifications?

Hello Microsoft Learn Community,

I am looking for a comprehensive overview of all the current ways to obtain free or discounted exam vouchers for Microsoft certifications.

I am aware of the following primary methods:

Could you please help me complete this list? My main questions are:

Besides the two methods mentioned, are there any other ongoing programs or lesser-known ways to get vouchers?
Is there a central hub or page where all active voucher opportunities are listed?
What is the best way to stay informed about new voucher campaigns as they are announced?

Thank you in advance for sharing your knowledge and experience. Your help is greatly appreciated.

Best regards

Forum Discussion