My application has been in development for about a month. I now decided to use ASP.NET Identity. I already have the view models for identity but need to create the tables. I
Perhaps just run the ASP.NET Identity Sql Scripts against the database if you do not want to Enable Migrations:
https://www.codeproject.com/Tips/677279/SQL-script-for-creating-an-ASP-NET-Identity-Databa