Josephine W. answered 04/05/20
Senior Software Engineer with more than 15 years of experience
Boost is a library, and as all libraries, you have to install it as one. It might help to look up tutorials on how to install and use libraries in Visual Studio. Here is the page with the zip contents of boost:
https://www.boost.org/doc/libs/1_55_0/more/getting_started/windows.html
Here is a video on how to install a 3rd party library: