# Getting Started with DsDataViewer in ASP.NET Core Application
## Content
Let us now look at the steps to configure the DsDataViewer in an [ASP.NET](http://asp.net/) Core Application.
#### **Step 1** \- Create a new [ASP.NET](http://asp.net/ "http://ASP.NET") Core Web App in Microsoft Visual Studio, provide a project name, choose .NET 6 Framework, and uncheck HTTPS.
#### **Step 2** \- In the Solution explorer\, select the *wwwroot/lib* folder, open the terminal to run the npm command, and download the *dsdataviewer* package.
#### **Step 3** \- In the terminal run the command \- *npm install* @mescius/dsdataviewer After downloading, you can find the files under *lib/node\_modules/*@mescius/dsdataviewer folder
Alternatively, you can manually copy the \*\*\*dsdataviewer \*\*\*files available in the DsExcel [.NET](https://developer.mescius.com/document-solutions/dot-net-excel-api/download "https://developer.mescius.com/document-solutions/dot-net-excel-api/download") \| [Java ](https://developer.mescius.com/document-solutions/java-excel-api/download "https://developer.mescius.com/document-solutions/java-excel-api/download")package to the *wwwroot* folder.
#### **Step 4** \- In VS\, add a new HTML page to the *wwwroot* folder and name it *index.html*.
#### **Step 5** \- Paste the following code in the index\.html file\.
```html
Document Solutions Data Viewer Sample
```
#### **Step 6** \- Replace the content of the Program\.cs with the following code
```csharp
var builder = WebApplication.CreateBuilder(args);
var app = builder.Build();
if (!app.Environment.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.UseDefaultFiles();
app.UseStaticFiles();
app.UseRouting();
app.Run();
```
#### **Step 7** \- Build and run the application\. A page with the Document Solutions Data Viewer will show in the default browser\.
#### **Step 8** \- Click on the `Open document` button to load your favorite document. The viewer with a document appears as below:
