For example, the current Monterey version is 12.3. Replace the XX.XX.X with the macOS version you want to download.Softwareupdate -fetch-full-installer -full-installer-version XX.XX.X Enter the following command and hit enter.The Terminal app is located in the Applications > Utilities folder. After executing the command below, the requested “Install macOS” application will be downloaded to your Mac’s /Applications folder. This Terminal command is only available in macOS Catalina 10.15 and later. This enables you to boot from the bootable installer and install the previous version. Using the steps below, you can download the installers for previous macOS versions. This again involves creating a bootable installer. You may want to downgrade to a previous macOS version.Then you can use this as a startup disk to install the Mac operating system. This is a USB flash drive or secondary volume where you can store installer files. You may want to create USB boot drive installers.You may want to do this for a variety of reasons, for example: Tags APFS Apple AppleScript Apple silicon backup Big Sur Blake bug Catalina Consolation Console Corinth diagnosis Disk Utility Doré El Capitan extended attributes Finder firmware Gatekeeper Gérôme HFS+ High Sierra history of painting iCloud Impressionism iOS landscape LockRattler log logs M1 Mac Mac history macOS macOS 10.12 macOS 10.13 macOS 10.14 macOS 10.You can download full macOS installers from the command line. SilentKnight is still extremely useful and greatly appreciated as an update status monitoring tool! Thanks. However, the update hadn’t installed yet (unsurprisingly), so I used the normal mechanism to do it.Īll in all, I think I may forego using the “Install all updates” button in future. So, two things: I thought it was strange that it took much longer (20 minutes versus maybe an hour when it still seemed busy) and I couldn’t tell if it was actually updating wouldn’t that have needed a restart to begin? I was reluctant to break it off, because how would that work out if it was in the middle of updating after all? In the end, after an hour or so, I did manually restart while SilentKnight still seemed busy and happily all seemed fine after that. I thought I’d give updating by SilentKnight a try on my second Mac and clicked “Install all updates” but, like it says in the reference, the only feedback is the spinner and it took a LONG time much longer than on my first Mac where I used the normal update mechanism, which downloads and then restarts to start the install. This worked fine, and even ran the new MRT for its initial scans just as if it had been installed by softwareupdate. For the record, on this occasion I used the latest version of SilentKnight to download the MRT update then installed it manually by double-clicking the Installer package. Immediately after updating you’ll want to run SilentKnight or LockRattler to restore MRT to its current version 1.69.3. One significant feature of this update is that it reverts MRT to an old version, around 1.62. This suggests that this quite hefty update is mainly a new kernel, which isn’t bad for more than a GB! There don’t appear to be any firmware updates, at least not for Macs with a T2 chip. There are no changes in version or build number of any of the bundled apps, nor are there in any of the significant contents of /System/Library. Details of the three security fixes it includes are given here. As soon as I have a link to the standalone installer package I will update this article, but as of 2105 UTC I can’t find any. It’s currently available via Software Update. All three of these are currently being exploited in the wild, which explains the urgency in patching them. Apple has just released macOS Catalina 10.15.7 Supplemental Update, which weighs in at around 1.2 GB and includes important security fixes for two kernel vulnerabilities and a FontParser bug.
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