Safari can't establish secure connection to a website
After a reformat and reinstall of Mavericks, I can't go to some websites. I get a message about establishing a secure connection
iMac 21.5″ 4K, macOS 13.4
Question marked as
What year model is the iMac?
see > Identify your iMac model - Apple Support
Safari in older macOS versions is no longer supported or secure.
To update the iMac, see > How to download and install macOS - Apple Support
If you have an older iMac that can not run a later macOS and Safari?
Then you need to look for a third party browser like FireFox, Brave or Chrome that is.