![]() ![]() With each release of a new macOS version.sometimes a bunch of Macintosh models are not compatible. Now here's a bit of a wrinkle for some users. If you haven't downloaded the macOS 10.14 Mojave installer already.and you want a copy of the macOS Mojave installer for possible future use.sometime soon would probably be a good time to do this (before macOS 10.15 Catalina is released October 2019). When this happens.if you've never downloaded Mojave will be unavailable to you. When Apple releases a new version of the macOS.the previous/older version is removed from the Apple servers (App Store). We at Mac-Forums always like to remind everyone to download the latest version of the macOS ("Mojave" at this time).if they haven't already.so that even if they aren't going to install Mojave right now.they will have the Mojave installer handy if & when they need it.įor Mac-Forum veterans you know the reason why this should be done.but if you're new to Mac's or the macOS upgrading process (or just aren't sure why this should be done).here's why. Very likely macOS 10.15 (Catalina) will be released sometime October 2019. Simply follow the process until the new OS, and the relevant patches are installed successfully.As many of us know.the next version of the macOS is due to be released soon. Click on Reinstall macOS to install Catalina.Use the Disk Utility option from the available list on the macOS Utilities window to do so. One thing to note is that if you run a version of macOS that is earlier than High Sierra, you’ll need to reformat your installation hard drive to APFS before proceeding. Then, you’ll be taken to the macOS Utilities window.From the boot list, choose the USB flash drive installer.Hold down the Option key while the rebooting process takes place to open up the Startup Manager. Once the bootable installer is copied into the USB drive, restart your Mac.When the flash drive is detected, select it, and click Start.Else, you may have to first format your USB drive into macOS Extended Journaled if you haven’t already. ![]() On the next screen, your flash drive should be detected as a volume.Plug in a USB flash drive to your Mac and select Create a bootable installer on the Installation Method section.If you choose to download, the file size is about 7 to 8 GB, so you may need to wait for a while. You can either Download a Copy or Browse for a Copy… if you already have one. Afterward, you need to get the macOS Installer App from Apple.Keep clicking Continue until it finishes. The app will present you with a welcoming message.After the app is downloaded and installed, open it.First off, download the most recent version of Catalina Patcher from the official website.Once you are ready to jump into upgrading, follow the step-by-step guide below to install macOS Catalina on an older Mac using DosDude Catalina Patcher. iMac models released in late 2012 or after.Mac mini models released in late 2012 or after.MacBook Pro models released in mid-2012 or after.MacBook Air models released in mid-2012 or after.MacBook models released in 2015 or after.Therefore, with this tool, you can make a modified install drive to use for installing macOS Mojave on computers that don't support this operating system. macOS Mojave Patcher is an application that allows to easily create a modified copy of macOS Mojave for use on unsupported Macs. I know for sure that it is compatible with the patcher. I have tried both an update and clean install using the software, but with no success. ![]() However, every time I try to complete it, I get “macOS could not be installed on your computer”. Using dosdude’s Catalina Patcher on my Mac Mini, I’ve tried to get it from High Sierra to Catalina. Keep in mind that just because you can make your old Mac run Catalina, it doesn’t necessarily mean it will always be a good thing to do. It’s made by an individual developer instead. ![]() DosDude Catalina Patcher is a third-party tool, meaning Apple does not develop the tool. The patch is known as DosDude Catalina Patcher. ![]()
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