NuGet installation guide

There are many different ways to install a NuGet Package, you can use command-line interface (CLI) tools and using Asp.net project, Here we are showing easy way to get started with NuGet, NuGet features in Visual Studio.
Open your Asp.net web project, then right click on project.

There are many utilities in NuGet package, based on your project requirement, search and install them, you also can uninstall any packgage from the same place.

Install NuGet in Visual Studio using command line

Now we see how to install using command-line interface (CLI) tools To open the command window in Visual Studion Asp.net project,
go to Tools > NuGet Package Manager > Package Manager Console,
then type get-help NuGet, that will tell you all available commands for NuGet, you don't need to remember, take a look the screen shot below.

To update an existing nuget.exe to the latest version, use nuget update -self

for more details take a look at Microsoft Nuget Guide or NuGet.Org