Downloading the files locally ensures you can play even if the GitHub repository gets taken down. On the GitHub repository page, click the green button. Select Download ZIP from the dropdown menu. Extract the ZIP file to a folder on your computer.
The magic behind Eaglercraft is that it doesn't require plugins, downloads, or administrative privileges. If you have a modern web browser (Chrome, Edge, Firefox, or even Safari), you can load the game from a URL and start playing within seconds. eaglercraft github 1122
The "1.12.2" version includes: