For users on Windows (e.g., for virtual machines) or older Macs, the script is a popular open-source tool that downloads official files directly from Apple’s software update catalog. Download the script from the gibMacOS GitHub . Run gibMacOS.command (Mac) or gibMacOS.bat (Windows).
: The download will appear in your Applications folder as "Install macOS Catalina.app". Method 2: Official App Store Direct Link Macos Catalina Dmg Direct Download
: Your Mac must be compatible with Catalina (roughly 2012–2019 models). Method 3: Third-Party Downloaders (gibMacOS) For users on Windows (e