After concluding that you are in Free Tier, that is part of constraints.
Your free trial credit applies to all Google Cloud resources, with the following exceptions:
- You can't have more than 8 cores (or virtual CPUs) running at the same time.
- You can't add GPUs to your VM instances.
- You can't request a quota increase. For an overview of Compute Engine quotas, see Resource quotas.
- You can't create VM instances that are based on Windows Server images.
- You must upgrade your account to perform any of the actions in the preceding list.
Upgrading to a paid account:
https://cloud.google.com/free/docs/gcp-free-tier#how-to-upgrade
Free Tier conditions:
https://cloud.google.com/free/docs/gcp-free-tier
Update: To be able to increase Quotas or Submit Quota Increase, you need to:
- For New Project need to wait for 48hrs
- You need to have Billing Enabled (Enable it by going into top-left gift icon and following along to Enable Billing in GCP)