Wondering which versions of macOS your Mac can run? We’ve put together a macOS compatibility checker that will show you what Macs the different versions of macOS and Mac OS X support, so you can ...

If you used a Mac ... versions of NeXTSTEP, which Steve Jobs worked on after being fired from Apple in the 1980s. A lot of ...

Here’s a more detailed tutorial on downgrading from the macOS beta we also have a tutorial on downgrading to an older version of the Mac OS. Karen has worked on both sides of the Apple divide ...