Create project

Found some info, there is an option on the Home screen to create a project:

https://helpx.adobe.com/illustrator/desktop/add-and-import-files/start-a-new-file/organize-share-and-collaborate-using-projects.html

Not sure your meaning. Do you mean create a new file?

It is hard to find information about projects. Where did you learn about them and why do you need them?