As Ano Danchi no Tsuma-tachi wa... The Animation is a video production (OVA) rather than a software application or video game, there is no "installation" process for the animation itself. If you are looking for a related game adaptation or a specific platform to view the content, please clarify, as the primary title refers strictly to the animated video. Ano Danchi no Tsuma-tachi wa... The Animation - IMDb