Installing Lacros browser on #ChromeOS is simple:
chrome://flags search for lacros-support & lacros-primary enable both flags - that's it
Now all your PWAs will get synced and installed in seconds - if running latest version of ChromeOS - when/if you are ready to return to the old Chrome browser, you’ll need to navigate to os://flags in the browser to get your OS-level flags to appear
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The Lacros project – a contrived acronym for Linux and Chrome OS* – is an internal Google development project with a goal that may sound bizarre: to run the standalone Linux version of the Chrome web browser on top of ChromeOS
Watch for more info here: