* From the left pane of the **Add New Scaffolded Item** dialog, select **Identity** > **Add**.
* In the **Add Identity** dialog, select the options you want.
* Select your existing layout page, or your layout file will be overwritten with incorrect markup:
*`~/Pages/Shared/_Layout.cshtml` for Razor Pages
*`~/Views/Shared/_Layout.cshtml` for MVC projects
* Blazor Server apps created from the Blazor Server template (`blazorserver`) aren't configured for Razor Pages or MVC by default. Leave the layout page entry blank.
* Select the **+** button to create a new **Data context class**. Accept the default value or specify a class (for example, `MyApplication.Data.ApplicationDbContext`).
In the project folder, run the Identity scaffolder with the options you want. For example, to setup identity with the default UI and the minimum number of files, run the following command: