6/10
To perform a clean installation, you must flash the installer files onto an external USB flash drive (minimum 16GB capacity). This process permanently erases all data on the USB drive. Connect your USB flash drive to your Mac.
To help you obtain a DMG file for a clean installation , here's a structured guide based on Apple's official methods and alternatives. Note that direct DMG links for macOS versions are not publicly available, but there are trusted workflows:
Q: Can I download the macOS 10.15 Catalina DMG file directly from Apple? A: Yes, you can download the macOS 10.15 Catalina DMG file directly from the Mac App Store.
In conclusion, while it's possible to download and install macOS 10.15 Catalina, we advise users to carefully weigh the pros and cons. Due to the security risks and lack of support, we recommend exploring alternative options, such as upgrading to a newer macOS version or using a different operating system.