Open the App Store on a compatible Mac and search for "Mavericks" in your
The most reliable public source for a verified, unmodified is the Internet Archive (archive.org) . Look for uploads by known archivers (e.g., "Apple Certified" or "Macintosh Garden"). mavericks os x 10.9.x dmg
Go to the Apple GitHub repository and download the raw script (or copy the text into a file named InstallInstallMediaOSX.py ): https://github.com/munki/macadmin-scripts/blob/main/installinstallmacos.py Open the App Store on a compatible Mac
