Azure for Students gets you started with $100 in Azure credits to be used within the first 12 months plus select free services (subject to change) without requiring a credit card at sign-up. It also provides free access to downloadable software developer tools, Microsoft Learn, Microsoft certification exams, and career resources through LinkedIn.
For more info and to activate your account go to https://azure.microsoft.com/en-us/free/free-account-students-faq/
For support related questions please contact the Service Desk.