Here's an overview of the process.So do I need to apply for my Citizenship first using the application and forms before I am invited to the test? It's not very clear...
I am just starting this process and I already have PR in Canada.
https://www.canada.ca/en/immigration-refugees-citizenship/services/application/application-forms-guides/guide-0002-application-canadian-citizenship-under-subsection-5-1-adults-18-years-older.html
Yes, you need to make an application for Citizenship Grant if you would like to become a Canadian citizen.