For an older but still updated Firefox (good for legacy systems), use :
| Firefox Version | Platform | Direct Download Link (en-US) | |----------------|----------|-------------------------------| | (last Windows 7/8 version) | Windows 64-bit | https://archive.mozilla.org/pub/firefox/releases/115.0/win64/en-US/Firefox%20Setup%20115.0.exe | | 52.0 (classic, pre-Quantum) | Windows 32-bit | https://archive.mozilla.org/pub/firefox/releases/52.0/win32/en-US/Firefox%20Setup%2052.0.exe | | 78.0 | macOS | https://archive.mozilla.org/pub/firefox/releases/78.0/mac/en-US/Firefox%2078.0.dmg | firefox download old version
Using an old browser is a security risk . Older versions lack critical security patches and may break modern websites. Only download them for testing, legacy systems, or specific software requirements. For an older but still updated Firefox (good
Replace 115.0 or 78.0 with your desired version number. Replace 115
Downloading old versions of Firefox is relatively straightforward, thanks to the Mozilla Archive, also known as the Mozilla FTP site, where historical versions of Firefox are stored. Here’s a step-by-step guide:
Visit the Mozilla Release Archive to see a full list of versions, from recent releases back to the very first builds. Navigation Path: Select the version number you need (e.g., 115.0/ ).
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