How to open an app from an unidentified developer on a Mac

How do I open an app from an unidentified developer on a Mac, or because Apple can't verify that it doesn't contain malware under macOS Ventura 13.x? Here are two solutions. The first is for handling this on a case-by-case basis. The second is for disabling Gatekeeper protection for the duration of the Mac session. Command line: `sudo spctl --master-disable` or `xattr -rc` (location of the app), for example: `xattr -rc /Applications/Magnet.app` You can find this tutorial on our website on the following page: https://www.macplanete.com/tutoriels/... Also, consider watching the video to resolve the issue: "Apple cannot verify that it does not contain malware":    • Résoudre le problème : "Apple ne peut pas ...   Find our tutorials and tips at https://www.macplanete.com