Processor 2.8 GHz Intel Core 2 Duo
Memory 8 GB 1067 MHz DDR3
Graphics NVIDIA GeForce 9400M 256 MB
Software OS X 10.8.5 (12F2560)
This computer is not very old (less than 2 years). I'm not certain why I can't get InDesign to be able to work with Maverick operating system. Maverick has not more updates . . . where does this leave me in regards to using InDesign. My photoshop CC works fine.
InDesign CC2015 requires 10.9 or later.
Your computer is not very old, but your system is very old by today's standards. Mac OS 10.9 was released more than 2 years ago (October 2013). Why did you never upgrade?
By the way Mac OS 10.8 is not called "Mavericks". It is called "Mountain Lion". 10.9 is Mavericks.
By the way, if upgrading it might be safer to go to only 10.10, as there are some issues with 10.11. Not sure if you can, though.