How To Update Macos High Sierra 10.13.6 To 10.15 [repack] Direct

To update macOS High Sierra 10.13.6 to macOS Catalina 10.15, you must first verify that your hardware is compatible and then download the installer from the Mac App Store. Because 10.13.6 does not always show Catalina in the standard "Software Update" menu, manual download is often required. 1. Verify System Compatibility