"Horizon.Zero.Dawn.Remastered.Language.Pack-RUNE..." appears to be a release label for a language pack distributed alongside (or as a separate install for) the Horizon Zero Dawn: Complete Edition / Remastered video game. The filename format suggests three components:
Use an archive manager like WinRAR or 7-Zip to unpack the .rar or .zip files. Horizon.Zero.Dawn.Remastered.Language.Pack-RUNE...
Once the files are detected, you can head to the "Settings" menu under "Audio" or "Language" to toggle the spoken language and subtitles. A Fresh Way to Experience the Story "Horizon
Whatever your reason, recognize what you are holding: A declaration that software is information, and that information wants to be free—not just in English, but in every accent, every dialect, every localized string of code. A Fresh Way to Experience the Story Whatever
Illegitimate reasons (since we are discussing a scene release):
Typically, such a release contains:
Understanding Horizon Zero Dawn Remastered PC Language Packs