@mohamed zaki Welcome to Microsoft Q&A Forum, Thank you for posting your query here!
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Customers and partners who wish to use Limited Access features of the Face API, including Face identification and Face verification, are required to register for access by submitting a registration form .
After you submit this registration form, we will review your application and respond in approximately 10 business days. Some applications may take longer than 10 business days for a final decision.
Hope this helps. If you have any follow-up questions, please let me know. I would be happy to help.. . ** Please do not forget to "Accept the answer” and “up-vote” wherever the information provided helps you, this can be beneficial to other community members..