how to merge 2 version?

[Biid]

Look up if the filenames are correct and use " - " to differenciate between 2 Versions.

f.ex.:
episode s01e0x - 1080P.mp4
episode s01e0x - 720P.mp4

Its detailed in the FAQ
https://jellyfin.org/docs/general/server/media/movies

thank u so much for anwsering