![]() ![]() ![]() As a result SCS Computing Facilities (SCSCF) is phasing. Once you have done this, you can then proceed with installing Catalina on your Mac. El Capitan was replaced by Sierra 10.12, High Sierra 10.13 and the current release, macOS 10.14 Mojave. To do this, open Disk Utility and select your system volume, then click Erase and choose the APFS format. If your Mac is curently running an older version of macOS, you’ll need to format your hard drive to APFS before installing Catalina. To use Catalina, your Mac must be running at least High Sierra or Mojave. Your Mac may not be compatible with Catalina because it is running an older version of macOS. Finally, once your Mac has rebooted after completing the upgrade, it will be running macOS Catalina! Incompatibility of Mac with Catalina ![]() The installation should then take another 40-50 minutes depending on your Mac’s specs and other background processes that may be running at the same time. Once the installer is downloaded, you’ll need to launch it and follow the prompts to complete the installation process. This should take about 20 minutes if you have a decent internet connection. First, you’ll need to download the macOS Catalina installer from the App Store. It’s important to be patient when upgrading as it coud take a few hours. Upgrading from macOS El Capitan (10.11) to macOS Catalina (10.15) may take some time, depending on the speed of your internet connection and the specs of your Mac. Upgrading from El Capitan to Catalina: How Long Does It Take? ![]()
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