For beta testing, create your Atlas account first, then install Atlas from the full Chrome browser.
Open Atlas, enter your email and create a password. If you received an organisation invitation, use the invited email address.
Open Atlas Account SetupIf this page opened inside Gmail or another email app, open Atlas in the full Chrome browser before trying to install it.
In Chrome tap ⋮ → Add to Home screen → Install. If Chrome displays Install app directly, choose it.
If Chrome only offers “Create shortcut”, you can still use Atlas in the browser during beta testing. Please report it as an installation issue.