Today I will share the way to install Bootstrap in ASP.NET MVC5 using Visual Studio 2019. Setup Bootstrap 3.3.1 to ASP.NET MVC 5
 
Right-click Project -> Manager NuGet Packages -> Click icon setting configuration, add package source.
 
https://api.nuget.org/v3/index.json


Continue by adding a package source (following image)


You search keyword “bootstrap” and then install


You can see bootstrap in project after a successful installation.


Okay, installation is successful!
You can use bootstrap in Layout file of Views/Shared/_LayoutHome.cshtml directory. (Note you add css,javascript to file)

    <link rel="stylesheet" href="~/Content/bootstrap.min.css" />  
    <script src="~/Scripts/jquery-3.3.1.min.js"></script>  
    <script src="~/Scripts/bootstrap.min.js"></script>  

Example - Views/Shared/_LayoutHome.cshtml

    <!DOCTYPE html>  
    <html>  
    <head>  
        <meta name="viewport" content="width=device-width" />  
        <title>@ViewBag.Title</title>  
        <link rel="stylesheet" href="~/Content/bootstrap.min.css" />  
        <script src="~/Scripts/jquery-3.3.1.min.js"></script>  
        <script src="~/Scripts/bootstrap.min.js"></script>  
    </head>  
    <body>  
        <div>  
            @RenderBody()  
        </div>  
    </body>  
    </html>  

Views/Home/Index.cshtml

    <div class="container">  
        <div class="row">  
            <div class="col-md-12">  
                <h2>@ViewBag.title</h2>  
                <a href="https://hostforlifeasp.net" class="btn btn-success">https://hostforlifeasp.net/</a>  
            </div>  
        </div>  
    </div>  

Ok, we successfully installed bootstrap in ASP.NET MVC 5