Mozilla Messaging provides Thunderbird 3.1 Release Candidate 2 for Windows, Linux, and Mac OS X in a variety of languages. Download your preferred version from the links below.
| Language | Version | Windows | Mac OS X | Linux | |
|---|---|---|---|---|---|
| Afrikaans | Afrikaans | 3.1rc2 | Download | Download | Download |
| Albanian | Shqip | 3.1rc2 | Download | Download | Download |
| Arabic | عربي | 3.1rc2 | Download | Download | Download |
| Basque | Euskara | 3.1rc2 | Download | Download | Download |
| Belarusian | Беларуская | 3.1rc2 | Download | Download | Download |
| Bengali (Bangladesh) | বাংলা (বাংলাদেশ) | 3.1rc2 | Download | Download | Download |
| Bulgarian | Български | 3.1rc2 | Download | Download | Download |
| Catalan | català | 3.1rc2 | Download | Download | Download |
| Chinese (Simplified) | 中文 (简体) | 3.1rc2 | Download | Download | Download |
| Chinese (Traditional) | 正體中文 (繁體) | 3.1rc2 | Download | Download | Download |
| Czech | Čeština | 3.1rc2 | Download | Download | Download |
| Danish | Dansk | 3.1rc2 | Download | Download | Download |
| Dutch | Nederlands | 3.1rc2 | Download | Download | Download |
| English (British) | English (British) | 3.1rc2 | Download | Download | Download |
| English (US) | English (US) | 3.1rc2 | Download | Download | Download |
| Estonian | Eesti keel | 3.1rc2 | Download | Download | Download |
| Finnish | suomi | 3.1rc2 | Download | Download | Download |
| French | Français | 3.1rc2 | Download | Download | Download |
| Frisian | Frysk | 3.1rc2 | Download | Download | Download |
| German | Deutsch | 3.1rc2 | Download | Download | Download |
| Greek | Ελληνικά | 3.1rc2 | Download | Download | Download |
| Hebrew | עברית | 3.1rc2 | Download | Download | Download |
| Hungarian | Magyar | 3.1rc2 | Download | Download | Download |
| Icelandic | íslenska | 3.1rc2 | Download | Download | Download |
| Indonesian | Bahasa Indonesia | 3.1rc2 | Download | Download | Download |
| Irish (Ireland) | Gaeilge (Éire) | 3.1rc2 | Download | Download | Download |
| Italian | Italiano | 3.1rc2 | Download | Download | Download |
| Japanese | 日本語 | 3.1rc2 | Download | Download | Download |
| Korean | 한국어 | 3.1rc2 | Download | Download | Download |
| Lithuanian | lietuvių kalba | 3.1rc2 | Download | Download | Download |
| Norwegian (Bokmål) | Norsk bokmål | 3.1rc2 | Download | Download | Download |
| Norwegian (Nynorsk) | Norsk nynorsk | 3.1rc2 | Download | Download | Download |
| Polish | Polski | 3.1rc2 | Download | Download | Download |
| Portuguese (Brazilian) | Português (do Brasil) | 3.1rc2 | Download | Download | Download |
| Portuguese (Portugal) | Português (Europeu) | 3.1rc2 | Download | Download | Download |
| Punjabi | ਪੰਜਾਬੀ | 3.1rc2 | Download | Download | Download |
| Romanian | română | 3.1rc2 | Download | Download | Download |
| Russian | Русский | 3.1rc2 | Download | Download | Download |
| Sinhala | සිංහල | 3.1rc2 | Download | Download | Download |
| Slovak | slovenčina | 3.1rc2 | Download | Download | Download |
| Slovenian | slovensko | 3.1rc2 | Download | Download | Download |
| Spanish (Argentina) | Español (de Argentina) | 3.1rc2 | Download | Download | Download |
| Spanish (Spain) | Español (de España) | 3.1rc2 | Download | Download | Download |
| Swedish | Svenska | 3.1rc2 | Download | Download | Download |
| Turkish | Türkçe | 3.1rc2 | Download | Download | Download |
| Ukrainian | Українська | 3.1rc2 | Download | Download | Download |
