The Epic Games Launcher has stopped official support of macOS version 10.9.X (codename Mavericks), 10.10.X (codename Yosemite), 10.11.X (codename El Capitan), and 11.12.X (codename Sierra)
Users on these versions of macOS will no longer be able to receive launcher client updates until they upgrade to macOS 10.13 or higher.
To receive the most recent Epic Games Launcher client updates, we recommend upgrading your macOS to 10.13 or higher.