I want to install pdf service in my laravel project

Hii, 

I was creating my PDF converter using Laravel 10, but while installing the PDF service using Composer, I am facing an issue. It is asking me for a username and password to install the package. I am using my client_id as the username, and instead of a password, I am using client_secret. However, I am getting an error in cmd with an invalid credential message. Please help me here.
thank you