Files in this folder are for use with the LaTeX document preparation system (https://www.latex-project.org/).
If you want to download all the files in this repository, one way to do that is to click on the green "<> Code" button towards the top right of the screen, then click on "Download ZIP". To download an individual file, navigate to the file you are interested in, click on its name to display the file, then click on the "download raw file" button towards the top right of the screen.