how do i downgrade from high sierra to yosemite
mac os high sierra does not function properly on my mac
specially the ,mails it takes log time to download and get normal
aslo the mailbox gets offline frequently and manually i have to it online
as i can't find any solution of using os high sierra with out this issues, i want to down grade it to yosemite
which was working absolutely fine and trouble free
MacBook Pro, iOS 11.2.6, need to down grade to yosemite