Why is macOS notifying me that the software is not from the App Store?

For macOS we offer software e through our portal and the App Store. The security settings within a Mac are set in such a way that only apps from the App Store and from well-known developers may be installed. To successfully install the software, you can follow the steps below.

1. Go to your System Preferences
2. Click on General
3. Allow programs to download from any source here

Now the message should no longer be there and you can download GOOSE VPN for Mac without any worries.