Hi Fernando Aguilar,
Thank you for reaching out to us on the Microsoft Q&A forum.
From your query we understand that you are trying to access more quota in Virtual Machines. If you are using a free trial, you are not eligible for extra quota.
If you are using pay-as-you-go service, login to your pay-as-you-go credentials and navigate to "Request quota" as shown in above screenshot.
Please don't hesitate to reach out to us if you have any other queries.
If you found the information helpful, please consider acknowledging it by selecting the Accept Answer and Upvote options. We would greatly appreciate it!