Because this is a WEBRip release, look for subtitles specifically tagged with "WEBRip" or "Netflix" to ensure the timing (sync) matches the frame rate of your video.
Once you download the .srt file, rename it to match your video file exactly (e.g., Dont.Look.Up.2021.1080p.WEBRip.x265-RARBG.srt ) and place it in the same folder so your media player detects it automatically. subtitle Dont.Look.Up.2021.1080p.WEBRip.x265-RA...
For the release, I recommend checking these platforms: Because this is a WEBRip release, look for
: Useful if you need various language options beyond just English. Quick Tips for RARBG Releases: Because this is a WEBRip release
: One of the largest databases; you can search by the exact filename to find a perfectly synced match.
: A modern alternative that often hosts subtitles for popular WEBRip releases.