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Mozilla Firefox

Mozilla Firefox Old Versions

Note! – there is a newer version for Mozilla Firefox
click here for Mozilla Firefox latest version

Ultra high-speed internet browser with dozens of optional add-ons.

Oldest Version

Program Version 22
Release Date: 24 May, 2013 (7.0 years ago) Download

Earlier Version

Program Version 76.0.1
Release Date: 08 May, 2020 (1 days ago) Download


Select version of Mozilla Firefox to download:

Software version Compatibility Release Date Size Download
Mozilla Firefox 76.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 08.05.2020 48.10MB Download
Mozilla Firefox 75.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 10.04.2020 47.80MB Download
Mozilla Firefox 74.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 03.04.2020 47.40MB Download
Mozilla Firefox 74.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 13.03.2020 47.56MB Download
Mozilla Firefox 73.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 21.02.2020 47.30MB Download
Mozilla Firefox 73.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 14.02.2020 47.30MB Download
Mozilla Firefox 72.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 20.01.2020 47.30MB Download
Mozilla Firefox 72.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 08.01.2020 47.20MB Download
Mozilla Firefox 71.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 06.12.2019 47.30MB Download
Mozilla Firefox 70.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 31.10.2019 47.30MB Download
Mozilla Firefox 70.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 21.10.2019 47.40MB Download
Mozilla Firefox 69.0.3 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 10.10.2019 45.50MB Download
Mozilla Firefox 69.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 03.10.2019 45.50MB Download
Mozilla Firefox 69.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 18.09.2019 45.50MB Download
Mozilla Firefox 69.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 02.09.2019 45.60MB Download
Mozilla Firefox 68.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 14.08.2019 43.30MB Download
Mozilla Firefox 68.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 18.07.2019 43.30MB Download
Mozilla Firefox 68.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 08.07.2019 45.90MB Download
Mozilla Firefox 67.0.4 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 20.06.2019 43.30MB Download
Mozilla Firefox 67.0.3 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 18.06.2019 43.30MB Download
Mozilla Firefox 65.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 10.06.2019 43.30MB Download
Mozilla Firefox 67.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 03.06.2019 43.30MB Download
Mozilla Firefox 67.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 24.05.2019 42.30MB Download
Mozilla Firefox 66.0.5 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 08.05.2019 42.30MB Download
Mozilla Firefox 66.0.3 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 10.04.2019 42.35MB Download
Mozilla Firefox 66.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 27.03.2019 42.35MB Download
Mozilla Firefox 66.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 22.03.2019 42.30MB Download
Mozilla Firefox 65.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 01.03.2019 41.40MB Download
Mozilla Firefox 65.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 12.02.2019 41.30MB Download
Mozilla Firefox 65.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 28.01.2019 40.80MB Download
Mozilla Firefox 64.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 09.01.2019 40.80MB Download
Mozilla Firefox 64.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 10.12.2018 40.80MB Download
Mozilla Firefox 63.0.3 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 15.11.2018 40.50MB Download
Mozilla Firefox 63.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 31.10.2018 40.50MB Download
Mozilla Firefox 63.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 22.10.2018 40.50MB Download
Mozilla Firefox 62.0.3 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 02.10.2018 35.50MB Download
Mozilla Firefox 62.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 21.09.2018 35.50MB Download
Mozilla Firefox 62.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 04.09.2018 35.50MB Download
Mozilla Firefox 61.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 08.08.2018 34.70MB Download
Mozilla Firefox 61.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 05.07.2018 34.60MB Download
Mozilla Firefox 61.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 25.06.2018 34.40MB Download
Mozilla Firefox 60.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 06.06.2018 34.40MB Download
Mozilla Firefox 60.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 16.05.2018 34.40MB Download
Mozilla Firefox 60.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 09.05.2018 34.50MB Download
Mozilla Firefox 59.0.3 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 30.04.2018 34.90MB Download
Mozilla Firefox 59.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 26.03.2018 34.80MB Download
Mozilla Firefox 59.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 16.03.2018 34.90MB Download
Mozilla Firefox 58.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 07.02.2018 34.78MB Download
Mozilla Firefox 58.0.1 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 29.01.2018 34.80MB Download
Mozilla Firefox 58.0 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 19.01.2018 34.80MB Download
Mozilla Firefox 57.0.4 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 04.01.2018 34.10MB Download
Mozilla Firefox 57.0.3 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 27.12.2017 34.10MB Download
Mozilla Firefox 57.0.2 (Quantum) Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 07.12.2017 34.10MB Download
Mozilla Firefox 57.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 01.12.2017 34.10MB Download
Mozilla Firefox Firefox Quantum Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 14.11.2017 34.10MB Download
Mozilla Firefox 56.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 25.10.2017 34.10MB Download
Mozilla Firefox 56.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 06.10.2017 34.10MB Download
Mozilla Firefox 56.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 29.09.2017 34.10MB Download
Mozilla Firefox 55.0.3 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 25.08.2017 35.44MB Download
Mozilla Firefox 55.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 16.08.2017 32.60MB Download
Mozilla Firefox 55.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 10.08.2017 32.48MB Download
Mozilla Firefox 54.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 29.06.2017 42.90MB Download
Mozilla Firefox 54.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 13.06.2017 42.90MB Download
Mozilla Firefox 53.0.3 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 19.05.2017 42.10MB Download
Mozilla Firefox 53.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 05.05.2017 42.10MB Download
Mozilla Firefox 53.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 21.04.2017 42.10MB Download
Mozilla Firefox 52.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 28.03.2017 43.30MB Download
Mozilla Firefox 52.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 17.03.2017 43.30MB Download
Mozilla Firefox 52.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 06.03.2017 43.30MB Download
Mozilla Firefox 51.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 25.01.2017 42.50MB Download
Mozilla Firefox 50.1.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 12.12.2016 42.50MB Download
Mozilla Firefox 50.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 30.11.2016 42.60MB Download
Mozilla Firefox 50.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 15.11.2016 42.60MB Download
Mozilla Firefox 49.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 20.10.2016 41.50MB Download
Mozilla Firefox 49.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 23.09.2016 41.50MB Download
Mozilla Firefox 48.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 01.08.2016 43.10MB Download
Mozilla Firefox 47.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 28.06.2016 42.90MB Download
Mozilla Firefox 47.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 06.06.2016 42.90MB Download
Mozilla Firefox 46.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 03.05.2016 42.44MB Download
Mozilla Firefox 46.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 26.04.2016 41.76MB Download
Mozilla Firefox 45.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 11.04.2016 41.76MB Download
Mozilla Firefox 45.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 17.03.2016 41.00MB Download
Mozilla Firefox 45.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 09.03.2016 41.00MB Download
Mozilla Firefox 44.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 12.02.2016 41.00MB Download
Mozilla Firefox 44.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 28.01.2016 41.06MB Download
Mozilla Firefox 43.0.4 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 08.01.2016 43.61MB Download
Mozilla Firefox 43.0.3 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 29.12.2015 43.61MB Download
Mozilla Firefox 43.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 23.12.2015 43.61MB Download
Mozilla Firefox 43.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 19.12.2015 40.78MB Download
Mozilla Firefox 42.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 02.11.2015 40.78MB Download
Mozilla Firefox 41.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 15.10.2015 40.78MB Download
Mozilla Firefox 41.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 30.09.2015 40.78MB Download
Mozilla Firefox 41.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 22.09.15 40.78MB Download
Mozilla Firefox 40.0.3 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 28.08.2015 40.07MB Download
Mozilla Firefox 40.02 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 15.08.2015 40.02MB Download
Mozilla Firefox 40.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 14.08.2015 40.02MB Download
Mozilla Firefox 40.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 11.08.2015 40.00MB Download
Mozilla Firefox 39.0.3 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 07.08.2015 39.22MB Download
Mozilla Firefox 39.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 03.07.2015 39.22MB Download
Mozilla Firefox 38.0.6 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 12.06.2015 38.43MB Download
Mozilla Firefox 38.0.5 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 02.06.2015 38.46MB Download
Mozilla Firefox 38.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 16.05.2015 37.79MB Download
Mozilla Firefox 38.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 12.05.2015 37.77MB Download
Mozilla Firefox 37.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 21.04.2015 39.00MB Download
Mozilla Firefox 37.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 03.04.2015 39.00MB Download
Mozilla Firefox 37.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 31.03.2015 39.00MB Download
Mozilla Firefox 36.0.4 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 22.03.2015 39.15MB Download
Mozilla Firefox 36.0.3 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 21.03.2015 39.15MB Download
Mozilla Firefox 36.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 05.03.2015 39.11MB Download
Mozilla Firefox 36.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 24.02.2015 39.10MB Download
Mozilla Firefox 35.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 26.01.2015 38.05MB Download
Mozilla Firefox 35 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 12.01.2015 34.75MB Download
Mozilla Firefox 34.0.5 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 01.12.2014 34.75MB Download
Mozilla Firefox 33.1.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 14.11.2014 34.75MB Download
Mozilla Firefox 33.0.3 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 07.11.2014 34.75MB Download
Mozilla Firefox 33.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 29.10.2014 34.76MB Download
Mozilla Firefox 33.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 25.10.2014 34.76MB Download
Mozilla Firefox 33.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 14.10.2014 34.76MB Download
Mozilla Firefox 32.0.3 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 25.09.2014 33.65MB Download
Mozilla Firefox 32.0.2 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 18.09.2014 33.66MB Download
Mozilla Firefox 32.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 13.09.2014 30.74MB Download
Mozilla Firefox 32 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 01.09.2014 30.74MB Download
Mozilla Firefox 31 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 22.07.2014 30.74MB Download
Mozilla Firefox 30.0 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 10.06.2014 24.00MB Download
Mozilla Firefox 29.0.1 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 16.05.2014 24.00MB Download
Mozilla Firefox 29 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 30.04.2014 24.00MB Download
Mozilla Firefox 28 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 18.03.2014 24.00MB Download
Mozilla Firefox 26 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 10.12.2013 23.00MB Download
Mozilla Firefox 25 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 29.10.2013 22.00MB Download
Mozilla Firefox 24 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 24.10.2013 19.00MB Download
Mozilla Firefox 23 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 06.08.2013 19.00MB Download
Mozilla Firefox 22 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 24.05.2013 19.00MB Download
Mozilla Firefox 18 Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10 08.01.2013 19.00MB Download

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