Do these 3 things before closing this tab:
1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesOn an existing Arch Linux system, install the standard Firefox package with sudo pacman -S firefox. Once pacman finishes, open Firefox from your desktop’s application menu or run firefox in a terminal. This assumes your system can reach its configured package repositories; it does not install Arch Linux itself.
Install the standard Firefox package
- Open a terminal in Arch Linux.
- Run
sudo pacman -S firefoxand follow pacman’s prompts. - When installation completes, launch Firefox from the application menu or enter
firefoxin a terminal.
The standard package is named firefox in Arch’s package guidance. See the ArchWiki Firefox page for installation details.
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Choose an edition before installing an alternative
ArchWiki lists Beta, Developer Edition, Extended Support Release (ESR), and Nightly as alternatives to the standard package. Their package sources differ: some options are available through Mozilla channel pages, while some are supplied through the AUR. Check the current source and its installation instructions before choosing an alternative; the available guidance does not establish a current version comparison or support-lifecycle schedule.
Set Firefox’s interface language
ArchWiki describes language-pack names using the pattern firefox-i18n-languagecode, where languagecode represents the language you want. Some Firefox editions use separate language-pack packages, so confirm the package for your edition on the ArchWiki Firefox page before installing it.
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ArchWiki notes that language packs are disabled for Developer Edition and Nightly because frequent changes to interface strings may cause crashes. Its language-pack guidance is documented at ArchWiki: Firefox.
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