Sometimes, the Playstation Store bugs out. If you bought the Director’s Cut but the language pack says "Unavailable," try these steps:
This report documents the available language pack options, typical installation methods, and size/compatibility considerations for Ghost of Tsushima: Director’s Cut on PlayStation platforms (PS4/PS5). It also lists common user-facing issues and recommended steps to install or switch language packs. Ghost of Tsushima DIRECTOR-S CUT -Language Packs-
While the specific pack varies by region, Ghost of Tsushima officially supports the following languages. This feature allows you to pick and choose from this list: Sometimes, the Playstation Store bugs out