After you have downloaded the
.dmg file from our Github repo, head to the Download folder and click on the .dmg file. You should see a folder like below. Drag the IOTA Wallet icon into the Applications folder.
Once you've dragged the IOTA Wallet into your applications folder, head to your Applications folder and right click on the IOTA Wallet and click on "Open".
After that you'll see a security alert. Click on "Open".
Mac OSX Security Settings
Make sure that your Mac OSX security settings are set to "Allow apps downloaded from: Mac App Store and identified developers. If you want to change to head to System Preferences -> Security & Privacy. Then you can change it.
After that you should see your IOTA application successfully running. Congratz! You're successfully connected to the network now and are running your node.
If you are using an older version of Java, the GUI prompts you to update to Java 8. You can automatically upgrade your Java version through the GUI.