A window will appear. Often, you simply drag the application icon into the Applications folder shortcut within that window.
To make sure I provide the right solution,g., a text editor, browser)? An to reinstall on a computer? A tool to read a long text file ? TextMate: Text editor for macOS
If the app won't open, go to System Settings > Privacy & Security and click "Open Anyway". Download MAC dmg
Once the copy is finished, right-click (or control-click) the mounted drive on your desktop and choose "Eject". Downloading Older macOS DMGs
are also available through archive.org. Troubleshooting A window will appear
Downloading and installing a Mac DMG file involves acquiring a disk image ( .dmg ), mounting it, and copying the application to your computer. How to Download and Install a DMG File
Double-click the downloaded .dmg file to "mount" it. It will act like a virtual drive on your desktop or in your Finder sidebar. An to reinstall on a computer
Click the download link from your browser. Safari typically saves these to the Downloads folder, which you can access via the Dock or Finder.