This is often "better" because it bypasses the App Store UI and is less prone to stalling. How to Convert the Installer to a DMG File
hdiutil create -o /tmp/Catalina -size 8500m -volname Catalina -layout SPUD -fs HFS+J download macos catalina 10157 dmg file better
Apple doesn't provide a direct "DMG" link on their website; instead, they provide an .app installer via the Mac App Store. 100% secure, signed by Apple, free. This is often "better" because it bypasses the
After it finishes, you have a bootable image ready to be converted or used. Direct Download Links (Third-Party) signed by Apple
Always verify the SHA-256 checksum of third-party downloads to ensure the file hasn't been tampered with. A "better" download is a safe download. Technical Requirements for Catalina