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| Firefox Version | macOS 10.10.5 | Security Updates | |----------------|---------------|------------------| | Firefox 78 ESR | ✅ Yes | ❌ No (EOL) | | Firefox 79+ | ❌ No | N/A |
It looks like you’re trying to find a .
If Firefox is already installed on your Mac, you can also update it directly from within the browser: firefox download for mac 10105 upd
If your underlying hardware structure supports a cleaner upgrade path, staying on Yosemite 10.10.5 is heavily discouraged due to open network exploits.
Because the official Firefox website only serves the latest browser versions, you must use the Mozilla FTP Archive to find compatible versions. Recommended Version: Firefox 78.15.0esr | Firefox Version | macOS 10
Show you where to download for 10.10.5.
If you are using an older Mac running , you may find that the latest version of Firefox is no longer compatible with your system. To keep browsing, you will need to download a specific legacy version designed for older operating systems. The Correct Version for OS X 10.10.5 Recommended Version: Firefox 78
Before you proceed with downloading Firefox, it is always wise to ensure that your Mac meets the necessary system requirements. Here is what you need to run Firefox smoothly on your macOS 10.15 Catalina machine:
| Firefox Version | macOS 10.10.5 | Security Updates | |----------------|---------------|------------------| | Firefox 78 ESR | ✅ Yes | ❌ No (EOL) | | Firefox 79+ | ❌ No | N/A |
It looks like you’re trying to find a .
If Firefox is already installed on your Mac, you can also update it directly from within the browser:
If your underlying hardware structure supports a cleaner upgrade path, staying on Yosemite 10.10.5 is heavily discouraged due to open network exploits.
Because the official Firefox website only serves the latest browser versions, you must use the Mozilla FTP Archive to find compatible versions. Recommended Version: Firefox 78.15.0esr
Show you where to download for 10.10.5.
If you are using an older Mac running , you may find that the latest version of Firefox is no longer compatible with your system. To keep browsing, you will need to download a specific legacy version designed for older operating systems. The Correct Version for OS X 10.10.5
Before you proceed with downloading Firefox, it is always wise to ensure that your Mac meets the necessary system requirements. Here is what you need to run Firefox smoothly on your macOS 10.15 Catalina machine: