Download Firefox ESR 78.9.0 (x64 & x32) Free
Firefox ESR has been tested for viruses and malware
This download is 100% clean of viruses. It was tested with 20 different antivirus and anti-malware programs and was clean 100% of the time. View the full Firefox ESR download site for virus test results.
The file that was tested: Firefox%20Setup%2078.9.0esr.exe.
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Installing the Firefox ESR download: Mozilla provides their software as a Windows Executable file and therefore installation is as easy as downloading the file Firefox%20Setup%2078.9.0esr.exe and running it directly after retrieving it. We highly suggest using antivirus software before running *any* files from the Internet. The company hosting this file has a trust rating of 5/10.