You can find out which EFI version your Mac is running, but how do you know whether that’s current, or old and vulnerable?
System Information
How reliably does Legacy Software detect 64-bit compatible upgrades? For some apps, it doesn’t notice at all, it appears, and continues to give wrong information.
How to check whether an app, or other executable code, is 64-bit. It wasn’t an easy task despite the tools that macOS provides.
Have you given up with the Legacy Software section in System Information? It’s getting more useful, and probably an escalating nudge on the part of Apple. Here’s why.
We are warned that a future release of macOS will not run old 32-bit software. Should we worry? How to find out the scale of your problem.
There’s a very long list of macOS features which are now updated automatically. Advice on how you should configure the Software Update pane and more. Look out for macOS 10.14.1 soon.
Mojave’s new feature to show ‘Legacy Software’ is far from complete, and thoroughly misleading.
Older external hard drives were large, noisy, and required power. New ones are just like SSDs. So how can you tell them apart?
Out with USB 2 and in with USB 3; out with FireWire and in with Thunderbolt, then Thunderbolt 2. But which should you choose to use, and how?
The Eclectic Light Company 