Eager to delve into modern web development? Look no further than .NET Core, Microsoft's open-source, cross-platform framework. Here, we'll guide you through creating a simple project, from installation to running your first application. Let's dive right in!

Before we begin, ensure you have Visual Studio 2019 (or later) installed, along with the .NET Core SDK. If not, grab the installer from the official Microsoft site and follow the prompts.

Setting Up the Environment

Once installed, open Visual Studio 2019, click on 'Create new project', then select 'Web' and choose 'ASP.NET Core Web App'. Name your project 'HelloWorld', select 'C#' as the language, and '.NET Core' as the target framework. Click 'OK'.

In the 'Manage .NET Core' window, ensure 'Use the .NET Core global tool' is selected and click 'Create'. Visual Studio will now create your new ASP.NET Core web application.

Exploring the Project Structure

The 'HelloWorld' project contains several folders and files. The 'wwwroot' folder houses static files like CSS, images, and JavaScript. The 'Controllers' folder contains your application's controllers, and 'Models' holds your data models. Finally, 'Views' contains the Razor views for each controller action.

The 'Startup.cs' file is the entry point of your application, while 'Program.cs' creates the host for the application. Familiarize yourself with these files, as you'll spend a lot of time in them!

Running Your First Application

To run your application, click the green 'II' button on the top-right of Visual Studio, or press 'Ctrl+F5'. This will start the 'HelloWorld' project and open it in your default web browser. You should see the default ASP.NET Splash page, indicating your application is running successfully!

Now that you have a basic understanding of your environment, let's build something simple – a 'Hello, World!' page!

Creating Your First View

A View in ASP.NET Core represents a user interface for displaying data. Razor - a server-side page description language - is used to create these views.

Right-click on 'Views' in the Solution Explorer, select 'Add' > 'View', name it 'Index.cshtml', and click 'Add'. Replace the default code with the following:

```html @{ ViewData["Title"] = "Hello World!"; }

@ViewData["Title"]

```

Creating a Controller

A Controller in ASP.NET Core handles dynamic data and decides which view to display. Right-click on 'Controllers' > 'Add' > 'Controller', name it 'HomeController.cs', and click 'Add'. You'll see a new file with some generatedboilerplate code. Replace it with the following:

```csharp using Microsoft.AspNetCore.Mvc; namespace HelloWorld.Controllers { public class HomeController : Controller { public IActionResult Index() { return View(); } } } ```

Here, we've created a simple controller with an 'Index' action. This action returns the 'Index.cshtml' view located in the 'Views' folder.

Now, run your application again. You should see 'Hello World!' displayed on the page! You've just built your first ASP.NET Core project. Congratulations! This simple yet powerful framework has no bounds. So, what's next on your development journey?