Hi @IRISA Jakin
Thanks for reaching out to Microsoft Q&A
It looks like you are trying to sign into Azure Portal, but you don't have a user with permissions to do so. Did you already sign up to use the free version of Azure? If you didn't, please access the link below, click on "Start Free" and complete the process.
https://azure.microsoft.com/en-us/free
Let me know if you have any questions.
Fabio