Firefox 64-bit - version 56.0 RC4 (Release Candidate 4) is released
2017-09-23  link

Firefox 64-bit - version 56.0 RC3 (Release Candidate 3) is released
2017-09-22  link

Firefox 64-bit - version 56.0 RC1 (Release Candidate 1) is released
2017-09-19  link

Firefox 64-bit - version 56.0b12 (Beta 12) is released
2017-09-14  link

Firefox 64-bit - version 56.0b11 (Beta 11) is released
2017-09-12  link

Firefox 64-bit - version 56.0b10 (Beta 10) is released
2017-09-08  link

Firefox 64-bit - version 56.0b9 (Beta 9) is released
2017-09-04  link

Firefox 64-bit - version 56.0b8 (Beta 8) is released
2017-09-01  link

Firefox 64-bit - version 56.0b7 (Beta 7) is released
2017-08-29  link

Firefox 64-bit - version 55.0.3 is released
2017-08-25   link

Firefox 64-bit - version 56.0b6 (Beta 6) is released
2017-08-25  link

Firefox 64-bit - version 56.0b5 (Beta 5) is released
2017-08-22  link

Firefox 64-bit - version 55.0.2 is released
2017-08-16   link

Firefox 64-bit - version 56.0b3 (Beta 3) is released
2017-08-16  link

Firefox 64-bit - version 55.0.1 is released
2017-08-10   link

Firefox 64-bit - version 55.0 is released
2017-08-07   link

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