My MacBook not upgrad.how to
security update 2020-003-10.13.6 when I am upgrading . all time say error. please tale me how to update.
MacBook Pro 13″, macOS 10.13
Question marked as
Try downloading the standalone update from here,
https://support.apple.com/kb/DL2041?viewlocale=en_US&locale=en_US
Once downloaded double-click to install.