When you’re done installing: just click the “Eject” arrow.And you’re done: the Snow Leopard is now installed.Simply drag the application’s icon to your Applications folder.Often these will include the application itself, some form of arrow, and a shortcut to the Applications folder.Double-click the DMG file to open it, and you’ll see a Finder window.dmg installation file from the official link on above Like if you wanna download Snow Leopard for mac from this page, you’ll directly get the. Most Mac OS applications downloaded from outside the App Store come inside a DMG file. Advertisement About Snow Leopard App for MAC