John decided to download Firefox 52 ESR, thinking it would be the best option for him. He clicked on the download link and waited for the installation file to finish downloading.
Downloading is a journey into the "cursed" side of software history. For 99.9% of users, the answer is no —use Firefox 115 ESR or Waterfox Classic instead. Download Firefox 12-51 52 Esr
Click the file ending in .exe (Windows) or .dmg (Mac) to begin the download. Step 4: Installation and Update Management John decided to download Firefox 52 ESR, thinking
Mozilla does not host these old versions on their main website ( mozilla.org ). They use a dedicated archive. Here is the safe method to download. For 99
Mozilla officially maintains an FTP server at archive.mozilla.org . This is the safest source (No viruses, no fake installers).
: It supports older "XUL" based extensions that were disabled in Firefox 57 (Quantum). Important Security Warning