ASP.NET Core: Getting Started with ASP.NET Core 3.0

Opening your Visual Studio, then click create new project => Select ASP.NET Core Web Application.

Entering your project name, then click Create button

Selecting Web Application (Model-View-Controller), then click Change authentication

Selecting Individual User Accounts, then click OK button

Next, Click Create button

Press F5 to run your project, then click register link to create a new account.

If you get an error "A database operation failed while processing the request" you should click the Apply Migrations button, then press F5 to refresh your page.

If you want to update your database, you can click Tool menu => Nuget Package Manager => Package Manager Console, then enter Update-Database

Finally, Enter dotnet ef database update to update modify to your database.