The article’s title mentions a download. This is the most historical aspect. In the early days of the web (circa 1995-2000), you couldn't just click "Install" on Adobe Fonts. Downloading a font like QuickType II Courier involved:
Once you have legally synced the font, here is how to use QuickType II Courier A outside of Photoshop or Illustrator. quicktype ii courier a font download adobe exclusive
If you search Adobe Fonts (formerly Typekit) today, you will not find QuickType II Courier. Here is why: The article’s title mentions a download