It sounds like you're looking for (FLAC format) for the first episode of Outlander Season 4, titled "America the Beautiful" — specifically the episode's score/soundtrack rather than a video file.
Avoid shady "FLAC download" sites promising the episode — they’re often fake or malware. outlander s04e01 flac
Would you like help identifying which official soundtrack tracks correspond to specific scenes in S04E01? It sounds like you're looking for (FLAC format)