For most fans, "installing" this series means streaming the 25-episode anime produced by A-1 Pictures.
To properly play the "complete n install" package, you need a modern media player. We recommend: shinsekai yori from the new world complete n install
If you are looking to "install" or access the complete series, here are the primary features and ways to experience it: Core Series Features For most fans, "installing" this series means streaming