In the General panel, go to the Firefox Updates section. Click the menu button and select Settings. 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. Important: By default, Firefox is set for automatic updates.

Fix problems connecting to websites after updating Firefox.

How to fix the Update Failed error message when updating Firefox.

In most cases, installing a previous version will not help. Problems with an update are usually not caused by the new version of Firefox, but rather the update process. Installing a previous version doesn't fix most problems Rather than downgrading, try getting used to the new features or ask a question on the support forum, to see if there is a workaround or a way to restore the old behavior without downgrading Firefox. If you dislike new features in the latest version of Firefox, your first reaction might be to go back to the previous version. Unwanted features in the new Firefox version

3 I still want to downgrade - where can I get the previous version?.

2 Installing a previous version doesn't fix most problems.

1 Unwanted features in the new Firefox version.

A new feature checks your add-ons to see. Installation Installing Firefox was a fine, quick experience. Because it has a clean interface, you can easily find various functions including downloads, add-ons and extensions, bookmarks and history. Compared with the previous beta version, Mozilla Firefox for Windows 10 is a faster and better tool. Sharing same user profile among all Firefox installations also caused profile corruption and browser crashes issues. Download Firefox 45.0.1 for free from - tested and virus free! In older versions of Firefox, a single user profile was shared by all Firefox versions and users were unable to run different Firefox versions side-by-side simultaneously. Mozilla, the organization that develops Firefox, offers downloads of all previous Windows and macOS versions for testing purposes-they do not, however, recommend downgrading, as older version usually have unpatched security holes. This wikiHow teaches you how to return to an older version of the Firefox web browser on your computer.

Emulate older versions of firefox