howcanigetmyoldfirefoxback

1. Find out your Firefox version · 2. Find the version you want · 3. Download the new version · 4. Uninstall the current version · 5. Install the new version · 6.

Backing up your profile · Locate your profile folder, as explained above. · Close Firefox (if open): Click the Firefox menu · Go to one level above your profile's ...

Open the old Firefox profile folder containing the files you want to copy to a new profile. If you are copying data from an Old Firefox Data folder created ...

2017年11月16日 — First, Type about:preferences#advanced<enter> in the address bar. Under Advanced, Select Update. [v57+] Type about:preferences#general<enter> in ...

Downgrading to a previous Firefox version doesn't solve most problems. This article links to older versions and provides some alternatives.

2020年6月2日 — To back up your profile, first close Firefox if it is open and then copy the profile folder to another location. Locate your profile folder, as ...

2017年11月14日 — First; Type about:preferences#advanced<enter> in the address bar. Under Advanced, Select Update. Check the settings. Also turn ...

2021年6月4日 — (1) In a new tab, type or paste about:config in the address bar and press Enter/Return. Click the button accepting the risk.

2021年4月30日 — This wikiHow teaches you how to return to an older version of the Firefox web browser on your computer. Mozilla, the organization that ...