For security purposes, I would prefer to use FirefoxESR. How do I use this instead?
This is Older version ( 38.8 )
From the 8 March 2016 - 45.0esr ( https://www.mozilla.org/en-US/firefox/45.0esr/releasenotes/ )
Hi
Older does not mean unsupported, security fixes are backported…
https://build.opensuse.org/package/view_file/mozilla/firefox38esr/firefox-esr.changes?expand=1