As of September 2022, Apple has officially discontinued support for macOS Catalina, meaning it no longer receives security updates or technical support from Apple. However, it remains a crucial choice for:
| Method | Type | Pros | Cons | |--------|------|------|------| | App Store / softwareupdate | Full installer (app bundle) | Official, signed, secure | Requires macOS to download | | Internet Recovery (Shift+Option+Command+R) | System image | No DMG needed, built-in | Only installs original OS version | | Third-party DMG websites | Direct .dmg file | Quick, no Apple ID sometimes | High security risk, often outdated or corrupted | macos catalina 10.15.7 download dmg