Once the copy is finished, right-click (or control-click) the mounted drive on your desktop and choose "Eject". Downloading Older macOS DMGs
A window will appear. Often, you simply drag the application icon into the Applications folder shortcut within that window. Download MAC dmg
If the app won't open, go to System Settings > Privacy & Security and click "Open Anyway". Once the copy is finished, right-click (or control-click)
are also available through archive.org. Troubleshooting Once the copy is finished
For massive text files that need to be opened on a Mac after installation, or TextMate are recommended for managing large data.
Double-click the downloaded .dmg file to "mount" it. It will act like a virtual drive on your desktop or in your Finder sidebar.