My mid 2009 MacBook Pro was updated to Yosemite in 2015. Can I now update it to Sierra? If not, can I update it to any other later OS?
My mid 2009 MacBook Pro was updated to Yosemite in 2015. Can it be updated again? If so, what is the latest OS to which it can be updated?
MacBook Pro 15", OS X 10.10
