The easiest way to create a Blazor project (assuming that you've kept your version of Visual Studio 2017 up-to-date) is to use File | New | Project, pick the ASP.NET Core Web Application ... Page ...

Visual Studio ... Create cross-platform mobile and desktop apps using .NET MAUI, ensuring your projects work seamlessly across various devices. You can also build responsive web user interfaces in ...

Using the C# Dev Kit with Visual Studio Code The best way to use the C# Dev Kit is alongside the .NET CLI that’s part of the .NET SDK. From the CLI you can create your application using familiar ...