How to do authorization/authentication?

Question

ASP.NET

Good afternoon! How to do authorization / authentication using asp net mvc Identity to an already finished project 9, which was initially marked with no autorization)?
I mean, that's the point. there is a site with information that can be edited, added, deleted
, it must be done so that without authorization it was only possible to view, and after authorization all other operations

Answer 1

Read here:
https://metanit.com/sharp/mvc5/12.15.php