How can I install an earlier MAC Version of Firefox, e.g. 23 or earlier ? and then Uninstall the latest Version 25?
According to the Health Insurer I charge for services, Version 25 cannot work for them.
Go to Solution.
I wonder if the business is using Firefox17esr (That updates soon jumping to Fx24 esr)
hello, please refer to Install an older version of Firefox
Best is to use the latest Firefox release for browsing on the internet and install an older version alongside that uses its own profile.
See this article about how to install multiple versions on Mac OS X: