Version: 51.0 RC1 (64-bit Release Candidate 1) | Release date: 2017-01-17

Arabic   Arab League
Bengali (Bangladesh)   Bangladesh
Bengali (India)   India
Chinese (Simplified)   China
Chinese (Traditional)   Taiwan
Croatian   Croatia
Czech   Czech Republic
Danish   Denmark
Dutch   Netherlands
English (British)   United Kingdom
English (US)   United States of America
Finnish   Finland
French   France
German   Germany
Greek   Greece
Hebrew   Israel
Hindi (India)   India
 
Hungarian   Hungary
Indonesian   Indonezia
Italian   Italy
Japanese   Japan
Korean   South Korea
Polish   Poland
Portuguese (Brazilian)   Brazil
Portuguese (Portugal)   Portugal
Romanian   Romania
Russian   Russian Federation
Slovak   Slovakia
Spanish (Argentina)   Argentina
Spanish (Mexico)   Mexico
Spanish (Spain)   Spain
Thai   Thailand
Turkish   Turkey
Vietnamese   Viet Nam
 

Alternatives

  1. Cyberfox 64-bit
  2. Waterfox
  3. Pale Moon 64-bit
  4. Brave browser
  5. pcxFirefox 64-bit
  6. fbuild.com (for Intel 64 + AVX2, for Intel 64, for AMD64)
  7. Light, a light firefox