Start the <b>beta</b> version of Thunderbird (with release version not running) and it will use the <b>default-beta</b> profile. On first use Thunderbird will create the <b>default-beta</b> profile, and it will prompt you to define your accounts. If you need to bring some data from your release profile into the beta profile, consult the <a href="https://support.mozilla.org/kb/thunderbird-beta">beta support article.</a>
Lancea le version <b>beta</b> de Thunderbird (con le version stabile non fluente) e illo usara le profilo <b>default-beta</b>. Al prime uso Thunderbird creara le profilo <b>default-beta</b>, e illo te sollicitara pro definir tu contos. Si tu debe apportar alcun datos de tu profilo del version stabile in le profilo del version beta, consulta le <a href="https://support.mozilla.org/kb/thunderbird-beta">articulo de assistentia pro le version beta.</a>