After saving these files to your computer via right-clicking and selecting "Save Target As" or "Download Linked File," copy and paste the True Type Font (.ttf) file into your computer's "Fonts" folder. Alternatively, you may drag the file into this folder (instead of copy and pasting) or save the file in this folder to begin with.

Note: Be careful when accessing your computer's font folder as accidentally deleting fonts from this location may cause problems to your system.