Do not use this browser for banking, shopping, or entering passwords. Use it strictly for legacy application compatibility or offline testing.
Install Firefox 3.6.28 only inside a virtual machine (VirtualBox, VMware) with no network access except when absolutely needed, and revert to a clean snapshot after each use. Download Mozilla Firefox 3 3.6.28 for Windows
Finding a legitimate copy of legacy software can be difficult. Many "download sites" bundle malware with installers. To safely , you should stick to official archives. Do not use this browser for banking, shopping,
: This version was designed for older environments. It was the last version to support Windows 2000 ; subsequent versions (Firefox 13+) required at least Windows XP SP2. Download Mozilla Firefox 3 3.6.28 for Windows