OS X El Capitan upgrade?
I am using MacBook (13-inch, Late 2008). The installed OS version is OS X El Capitan, version 10.11.6. Is that the latest updated OS, or is it possible to upgrade to newer OS?
Welcome, SammamishSteve, to Apple Support Communities!
Even for the 2009 models:
Newest compatible operating system: OS X El Capitan 10.11.6