Currently, the only browser supported on the Mac is FireFox ESR release 52.9 without the maintenance service. Support for all modern browsers, including the latest version of Safari, is expected to be announced in the first quarter of 2019.
Instructions for installing FireFox ESR release 52.9 without the maintenance service are as follows:
- Activate Silverlight.
- Select “Allow” and “Remember.”
Do not select the Firefox “Check for updates button,” and do not upgrade past ESR release 52.9.