UPGRADING FROM OSX YOSEMITE 10.10.5 LATE 2012
Safari 10.1.2 with my iMac 27" is now obsolete for some websites. I believe my only recourse is to update to a later operating system. Looking at community responses, maybe upgrading to El Capitan is the answer. Any suggestions for me. Thanks.
iMac 27″, OS X 10.10