Microsoft has issued DMCA takedowns for repositories hosting the full asset pack . However, playing a local HTML file on your personal Chromebook is very unlikely to get you banned—you don't even have a Microsoft account logged in.
To get the
: You can download a single .html file from a repository (like GitHub). Once saved to your Chromebook's "Files" app, you can open it in Chrome even without an internet connection to play single-player worlds. eaglercraft upd download chromebook