Extension Manager:
Extension Manager installs extension
which extends the Visual Studio.
GO to Tools - Extension
Manager, see Figure 1.1

Figure 1.1
Click on Online Gallery tab - Default most popular gallery will be displayed. You can search extensions from search box or you can navigate from the paging, see Figure 1.2

Figure 1.2
Manage NuGet Package:
NuGet is package management tool for .Net
in Visual Studio. It helps developer to add, update and delete the
external library and their dependency in your application. Also you can
create package from GuNet and share to the world.
Click on Project menu à Manage
NuGet Package to open, see Figure 1.3

Figure 1.3
Or you can right click on reference folder
and select Manage NuGet Package in your project, see Figure 1.4

Figure 1.4
Click on Online tab in Manage NuGet Package,
most popular library will be display default, see figure 1.5.

Figure 1.5
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