Finding a modern, secure browser for is a challenge, as official support from major developers ended years ago. However, depending on your needs for security and website compatibility, there are still several official and community-maintained options available. Official Firefox Releases for Snow Leopard
Because even the "newest" official Firefox is years out of date, many modern websites will fail to load or display correctly. Community developers have created "forks" that backport modern security and web features to run on Snow Leopard: firefox for mac os x 10.6 8 download
I need to download an older version of firefox for macos 10.6.8 Finding a modern, secure browser for is a
Chosen solution. ... Firefox 45.9. 0esr will be the most up to date version with security fixes that will run. ... The Firefox 48. Mozilla Support 0esr will be the most up to date
This was the final standard release to support Snow Leopard. While it has a slightly newer interface than the ESR version, it lacks critical security patches released after August 2016.
Mozilla officially ended support for OS X 10.6, 10.7, and 10.8 in 2016. There are two primary "last" versions available from the Mozilla archives :