Keep in mind that even though these two older macOS versions still receive security updates, not all known vulnerabilities are addressed. At the time of writing, the current version of macOS is Catalina (10.15.x), and the two previous versions are Mojave (10.14.6) and macOS High Sierra (10.13.6). If you can’t upgrade to the latest version of macOS, install the latest compatible version that still receives security updates.What if I told you there are ways to keep your old Mac running a safe version of macOS for longer? There are two options: If you want to upgrade to a newer version of macOS but Apple no longer supports your Mac, the best option is of course to buy a new Mac, but not everyone can afford to do so. However, if your Mac is several years old, there’s a good chance that the current version of macOS won’t run on your Mac Apple drops support for Mac models that it declares to be vintage or obsolete. Note: This article was originally written for macOS Mojave, and has been adapted for macOS Catalina.įrom a security standpoint, using the latest version of macOS-the Mac operating system-is always preferred. I know I’ve done that myself! And I’m my own boss, so you know…the vibe is kinda weird around here sometimes.Software & Apps How to keep older Macs secure: a geeky approach (run Catalina on unsupported Macs) When you do that, you’ll get a warning, of course:Ĭonfirm that you know what you’re doing by clicking “Delete,” and you’re finished! The offending version will be gone for good.Īs I noted, this isn’t an efficient use of your time if it’s space-saving you’re after, but hey, maybe you’ve got one version of a Pages document where you wrote “My boss is a stupid jerk-face” 500 times before you wised up and erased it. Once you’re there, move your cursor to the top of the screen, and voilà-your formerly hidden menu bar should reappear! Then choose File > Revert To > Delete This Version. Navigate to the version of the file that you’d like to remove first. Just begin by entering the File > Revert To > Browse All Versions mode I mentioned in that previous article, and you’ll see a screen that looks like this: So you’d probably only want to use Delete This Version if a previous version had some sensitive data, for example, that you needed to get rid of without deleting the file itself.Īnyway, the way to do this is simple as all get-out. Last week, I wrote a tip about the “Restore a Copy” functionality of macOS, and reader Graham McKay asked an excellent question in the comments-how do you delete old file versions? Now, you shouldn’t need to do that to recover space on your drive your Mac isn’t saving a complete copy of your file every time with this versioning feature.

Apple old versions of mac os