Considering this hasn't received an update in two months, it seems unsafe to install and download it. There have been many fixed security issues in Firefox just

Considering this hasn't received an update in two months, it seems unsafe to install and download it. There have been many fixed security issues in Firefox just in the past few weeks. https://www.mozilla.org/en-US/security/advisories/ https://www.mozilla.org/en-US/security/advisories/