Hi Hiba Nakhli,
Thank you for reaching out to Microsoft Q & A forum.
I understand your desire to continue learning and creating a personal sandbox for practice. Unfortunately, without an active subscription, it may not be possible to create a sandbox environment.
If your free credits have been exhausted, you might consider upgrading to a pay-as-you-go plan, which would allow you to access the resources you need. Alternatively, you could create a new free trial account to explore and practice further.
If you have any other questions or need assistance with the process, please feel free to ask. I'm here to help!
If you have found the answer provided to be helpful, please click on the "Accept answer" button so that it is useful for other members in the Microsoft Q&A community.