• Visual Studio 2013
• Target Framework: 4.6.1 Download Here
• Visual Studio 2013 Installer by Unni Ravindranathan

NOTE: This is only for those who are using Visual Studio 2013. User of Visual Studio 2015 or later can download the one officially provided by Microsoft

1. Go to Tools >> Extensions and Updates...
2. You will be presented this following screen

3. Click on Online in side bar
4. Click in search text box on right and type Installer
5. First one will be the Visual Studio 2013 Installer by Unni Ravindranathan

Packages will automatically be downloaded probably.