Access is by invitation. Sign in with your Google account, or with your
email and password.
OR
Local development sign-in. This option is refused for any request that
is not from this machine, so it cannot be used against a deployed instance.
Enter the 6-digit code from your authenticator app.
Set up your authenticator. In Google Authenticator, 1Password, or any
TOTP app, add an account by entering this key manually, then type the 6-digit code the
app shows to finish.
…
To accept, sign in. Use the Google account for the invited address, or set a password for it.
OR
Name your organisation. You are the first person from it on Practice OS, so you become its administrator and can add your colleagues.