Upload the file to the site, and the game will launch directly in your browser tab.
For the best performance and mod support (like GZDoom), you can use the built-in Linux environment if your school allows it. 7 Ways to Play DOOM on My Website! how to play doom on school chromebook
If your school Chromebook allows external storage (many do for photo projects), you can play Doom entirely offline without touching the school’s hard drive. Upload the file to the site, and the
Download the "Crispy DOOM" executable from GitHub on a personal computer. (Search: crispy-doom-chromeos ). Copy the .crx file or the HTML file to a USB drive. Upload the file to the site