Hello, Here you go : https://www.thunderbird.net/en-US/thunderbird/all/ https://www.thunderbird.net/en-US/ https://support.mozilla.org/en-US/products/thunderbird But I noticed that you posted this with a mobile device (Android); there is no mobile version of Thunderbird for any mobile OS, including iOS and Android ...... In case that's the device you wanted to use Thunderbird with; see these alternatives : https://alternativeto.net/software/mozilla-thunderbird/?platform=android