If you encounter a "cannot be verified" or "unidentified developer" error when opening a DMG or the installer, this is often due to Apple's Gatekeeper security feature: FreeCAD Forum Safely open apps on your Mac - Apple Support

If you specifically need a .dmg file for a virtual machine or a bootable USB, you must "wrap" the official installer into a disk image.

using the App Store or Terminal methods above.

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If you encounter a "cannot be verified" or "unidentified developer" error when opening a DMG or the installer, this is often due to Apple's Gatekeeper security feature: FreeCAD Forum Safely open apps on your Mac - Apple Support

If you specifically need a .dmg file for a virtual machine or a bootable USB, you must "wrap" the official installer into a disk image. macos catalina dmg direct download verified

using the App Store or Terminal methods above. If you encounter a "cannot be verified" or