varies depending on your platform and the version of the game you own. Here is the comprehensive guide for official and manual installations. Official Platform Installation
Steam usually manages language packs automatically based on your download settings. If your game is stuck in English or another default language, follow these steps: horizon zero dawn remastered language packrune install
: Open the main directory where your Horizon Zero Dawn Remastered is installed. Copy and Paste : varies depending on your platform and the version