Update iMac desktop with new software
I have operating system Catalina version 10.15.7. Bell Canada requested me to update Emanil setting to match their new requirements. Trying to update Email setting I get note that my browser must be updated. When I persuade with update browser I get a note "checking for update" that does not switch off (waiting for 12 hours) and software is nor being updated. Please give instruction what to do.
Tad Zdrojewski
iMac 21.5″, macOS 10.15