Download the Boost source code from https://sourceforge.net/projects/boost/files/boost/1.63.0/.
Extract the 7Z file (you will need 7-Zip or some other extractor program).
Open the folder, go to tools\build, click on the File tab and open the command line.
Type “bootstrap.bat gcc” and wait a while.
Type “.\b2 –prefix=DIR install” where DIR is where you want to install Boost. I chose C:\Boost, just to make sure UAC wouldn’t cause any problems. Wait some more.
When the command line finishes, you need to edit your PATH system variable. If you don’t know how to get there, search for “environment” and click on “Edit the system environment variables”.
Click on Environment Variables at the bottom of the box that shows up. In the bottom pane, click on Path and then Edit. Click on new and add DIR\bin where DIR is the address of the folder where you installed it. For me, that’s C:\Boost\bin.
You shouldn’t have to reboot, but you might.