Then locate the file, right-click the installer, and select … The first problem that comes to mind is: you are using a MAC. Found inside – League of Nations, 343 Lebor Gabala Erenn (Irish text), 41 legends Abominable Snowman, 380 Brian Boru, 73 Colum Cille's journeys, 58–59 fairies, 245,307 Fionn mac Cumhail, 40–41 Humphrey Gilbert's killings, 180 King Arthur, 41 Lusitania . Released on October 7, it was supposed to be a great addition for Mac gamers, namely thanks to the introduction of Apple Arcade. It was developed and distributed by Riot Games for Mac OS and Microsoft Windows. The cookie is used to store the user consent for the cookies in the category 'Other. How to Uninstall League of Legends on Mac Automatically Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Solution 1: Run the Game from Installation Directory.