Fully Localized Versions
| Language | Version | Windows | Mac OS X | Linux | |
|---|---|---|---|---|---|
| Albanian | Shqip | 12.0.1 | Download | Download | Download |
| Arabic | عربي | 12.0.1 | Download | Download | Download |
| Basque | Euskara | 12.0.1 | Download | Download | Download |
| Belarusian | Беларуская | 12.0.1 | Download | Download | Download |
| Bengali (Bangladesh) | বাংলা (বাংলাদেশ) | 12.0.1 | Download | Download | Download |
| Breton | Brezhoneg | 12.0.1 | Download | Download | Download |
| Bulgarian | Български | 12.0.1 | Download | Download | Download |
| Catalan | català | 12.0.1 | Download | Download | Download |
| Chinese (Simplified) | 中文 (简体) | 12.0.1 | Download | Download | Download |
| Chinese (Traditional) | 正體中文 (繁體) | 12.0.1 | Download | Download | Download |
| Czech | Čeština | 12.0.1 | Download | Download | Download |
| Danish | Dansk | 12.0.1 | Download | Download | Download |
| Dutch | Nederlands | 12.0.1 | Download | Download | Download |
| English (British) | English (British) | 12.0.1 | Download | Download | Download |
| English (US) | English (US) | 12.0.1 | Download | Download | Download |
| Estonian | Eesti keel | 12.0.1 | Download | Download | Download |
| Finnish | suomi | 12.0.1 | Download | Download | Download |
| French | Français | 12.0.1 | Download | Download | Download |
| Frisian | Frysk | 12.0.1 | Download | Download | Download |
| Gaelic (Scotland) | Gàidhlig | 12.0.1 | Download | Download | Download |
| Galician | Galego | 12.0.1 | Download | Download | Download |
| German | Deutsch | 12.0.1 | Download | Download | Download |
| Greek | Ελληνικά | 12.0.1 | Download | Download | Download |
| Hebrew | עברית | 12.0.1 | Download | Download | Download |
| Hungarian | magyar | 12.0.1 | Download | Download | Download |
| Icelandic | íslenska | 12.0.1 | Download | Download | Download |
| Indonesian | Bahasa Indonesia | 12.0.1 | Download | Download | Download |
| Irish (Ireland) | Gaeilge (Éire) | 12.0.1 | Download | Download | Download |
| Italian | Italiano | 12.0.1 | Download | Download | Download |
| Japanese | 日本語 | 12.0.1 | Download | Download | Download |
| Korean | 한국어 | 12.0.1 | Download | Download | Download |
| Lithuanian | lietuvių kalba | 12.0.1 | Download | Download | Download |
| Norwegian (Bokmål) | Norsk bokmål | 12.0.1 | Download | Download | Download |
| Norwegian (Nynorsk) | Norsk nynorsk | 12.0.1 | Download | Download | Download |
| Polish | Polski | 12.0.1 | Download | Download | Download |
| Portuguese (Brazilian) | Português (do Brasil) | 12.0.1 | Download | Download | Download |
| Portuguese (Portugal) | Português (Europeu) | 12.0.1 | Download | Download | Download |
| Punjabi | ਪੰਜਾਬੀ | 12.0.1 | Download | Download | Download |
| Romanian | română | 12.0.1 | Download | Download | Download |
| Romansh | rumantsch | 12.0.1 | Download | Download | Download |
| Russian | Русский | 12.0.1 | Download | Download | Download |
| Serbian | Српски | 12.0.1 | Download | Download | Download |
| Sinhala | සිංහල | 12.0.1 | Download | Download | Download |
| Slovak | slovenčina | 12.0.1 | Download | Download | Download |
| Slovenian | Slovenščina | 12.0.1 | Download | Download | Download |
| Spanish (Argentina) | Español (de Argentina) | 12.0.1 | Download | Download | Download |
| Spanish (Spain) | Español (de España) | 12.0.1 | Download | Download | Download |
| Swedish | Svenska | 12.0.1 | Download | Download | Download |
| Tamil (Sri Lanka) | தமிழ் (இலங்கை) | 12.0.1 | Download | Download | Download |
| Turkish | Türkçe | 12.0.1 | Download | Download | Download |
| Ukrainian | Українська | 12.0.1 | Download | Download | Download |
| Vietnamese | Tiếng Việt | 12.0.1 | Download | Download | Download |
Beta Versions
Mozilla offers download links to the following beta language versions of Thunderbird. Please note that these beta versions are not final releases.
| Language | Version | Windows | Mac OS X | Linux | |
|---|---|---|---|---|---|
| Armenian | Հայերեն | 12.0.1 | Download | Download | Download |
| Asturian | Asturianu | 12.0.1 | Download | Download | Download |
| Croatian | Hrvatski | 12.0.1 | Download | Download | Download |
