When opening the downloaded file on your Mac with Mac OS 13, a message will be displayed saying the file is damaged. Don’t worry, everything is correct! You’ll have to allow the software in the security settings.

• First option : https://support.apple.com/en-gb/guide/mac-help/mh40616/mac

In the Finder on your Mac, locate the app you want to open.Don’t use Launchpad to do this. Launchpad doesn’t allow you to access the shortcut menu.

Control-click the app icon, then choose Open from the shortcut menu.

Click Open.

• Second option : https://www.howtogeek.com/803598/app-is-damaged-and-cant-be-opened/

Open a new Terminal window and type (or paste the following command):

xattr -d com.apple.quarantine /Applications/Ariane.app