Old version firefox 55 download

View all Firefox Browsers. View all Products. Work for a mission-driven organization that makes people-first products. More About Mozilla. More Mozilla Innovation. Launched Windows support for WebVR , bringing immersive experiences to the web.

See examples and try working demos at Mozilla VR. Updated Sidebar for bookmarks, history, and synced tabs so it can appear at the right edge of the window as well as the left. To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings: In the Menu bar at the top of the screen, click Firefox and select Preferences.

In the General panel, go to the Firefox Updates section. Microsoft Edge. Google Chrome Opera. Was this article helpful? Volunteer Grow and share your expertise with others. Learn More. Pocket Save and discover the best stories from across the web. Mozilla VPN Get protection beyond your browser, on all your devices. Product Promise Learn how each Firefox product protects and respects your data.

Firefox Relay Sign up for new accounts without handing over your email address. Mozilla Foundation Meet the not-for-profit behind Firefox that stands for a better web. Get involved Join the fight for a healthy internet. Careers Work for a mission-driven organization that makes people-first products.

Pocket Save and discover the best stories from across the web. Mozilla VPN Get protection beyond your browser, on all your devices. Product Promise Learn how each Firefox product protects and respects your data. Firefox Relay Sign up for new accounts without handing over your email address. Mozilla Foundation Meet the not-for-profit behind Firefox that stands for a better web. Get involved Join the fight for a healthy internet.

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