human
How to open DMG files?
assistant
Open DMG Files
1. Double-click the DMG file.
2. Click OK on the error.
3. Click the Apple menu.
4. Click System Preferences….
5. Click Security & Privacy.
6. Click the lock.
7. Enter your password and click Unlock.
8. Click Open Anyway and then Open.
9. Drag the app to the Applications folder.