I will, of course, have a backup from Time Machine before I start anything. Am I really looking at an overnight upgrade?Īt the moment those are my main questions. I think it took about 1.5 hours to upgrade from Sierra to High Sierra and a typical ‘point-update’ takes about an hour. I’ve read a bit on the Apple support site about upgrading to Mojave and to Catalina, and they suggest starting the upgrade in the evening so that it can run overnight if it needs to!! That seems like a very long time and although the internet connection and electrical power is pretty stable, it’s certainly within the realm of possibility that either or both could fail even if only very briefly. The current major user of this computer is highly reliant on two installed printers and a bunch (maybe 20 to 30?) of programs. I did that when the machine was only a month old and hardly any programs and no printers had been installed. I’m assuming that at least in principle all the current programs and printers will get carried over to the new Mojave installation? The only other major macOS upgrade I’ve ever done was on this computer going from Sierra to High Sierra. But, the icon has been there for at least several months (I’m not the primary user of this computer, all I do is keep it updated), so I’m wondering if I’ll get the latest version of Mojave, or if you will, the latest up-to-date version of it? I’m assuming that clicking on this is an easy way to install Mojave. When I open the Launchpad I see an icon entitled ‘Install macOS Mojave’. There are some 32 bit programs on this machine that I don’t think Catalina or higher will run, and I’ve also not been terribly impressed with what I’ve heard about Catalina. See Erase your Mac.Sometime in the next few weeks – before Big Sur comes out and High Sierra is no longer supported – I’ll be upgrading an iMAC from High Sierra to Mojave. On a Mac with Apple silicon or an Intel-based Mac with the Apple T2 Security Chip, use Erase Assistant to reset your Mac to factory settings before you trade it in or sell it. In the settings where you select a volume, select your current macOS volume (in most cases, it’s the only one available). In the Recovery app window, select Reinstall for your macOS release, then click Continue. Reinstall your current version of macOS: Command-R. Reinstall your computer’s original version of macOS (including available updates): Option-Shift-Command-R. Install the latest version of macOS compatible with your computer: Option-Command-R. On an Intel-based Mac: Choose Apple menu > Restart, then immediately press and hold one of these key combinations, depending on what you want to do: On a Mac with Apple silicon: Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. Start up your computer in macOS Recovery: Get started with accessibility features.Use Sign in with Apple for apps and websites.Watch and listen together with SharePlay.Share and collaborate on files and folders.Sync music, books, and more between devices. Make and receive phone calls on your Mac.Use one keyboard and mouse to control Mac and iPad.Use Live Text to interact with text in a photo.Make text and other items on the screen bigger.Install and reinstall apps from the App Store.
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