The Install action downloads and installs the package from either the default or specified feed. You can use this action to ensure your automated build is using the most recent, or a specific, version of a library.
The id of the package to install, or the path to the a packages.config file.
The directory to place to downloaded package
You can use this field to specify a different source feed. For example, your company may host its own internal NuGet package feed for sharing internal components. If left blank the package will be installed from the default package gallery, which you can view at http://nuget.org/List/Packages.
You can use this field to specify a version of the package. If left blank the latest version will be installed.
By default, the package will be downloaded into a folder which is named packageid. Selecting this option causes the folder to be named [packageid].