Then came the Ne XT acquisition, and with it, OS X.
Now, with version 10.12, Apple is once again going back to the Mac — specifically, to mac OS.
If you still have the original disk drive, it is now at twice it's expected service life. Most software vendors do have old-version archives, but you have to dig for them. For twice that you can put a 27 inch model on your desk, either one running the latest of everything.
Most websites do not maintain compatible versions - mine certainly do not, I cut off at IE9 and I do not test older versions of Chrome, Firefox etc.
Must read: Could the i Pad be the death of the Mac (and the PC)?
And the older your device, the slower the install process seems to be, with some devices taking over an hour to update. The answer is the new file system that Apple has introduced.
mac OS Sierra is Apple's most intelligent, convenient, and accessible desktop operating system yet.
But there is one thing that a lot of users are complaining about, and that's how long it takes to install.To continue browsing safely, we recommend upgrading to a Mac OS version that Apple supports.