Application registration microsoft-dynamics-crm Here is Guide How to Get client_id
Create account here https://portal.azure.com and log in it will display following dashboard
Click On Azure Active Directory Tab
Now It will Open Following window and click on App registration.
Create new Application registration
Now Go to App Page and click on Required permission.
Add Required Permission as Below
Now you have to click on Grant Permissions
Now you can get client_id as Application ID