If you don't want to hunt for files manually, modern players can do it for you:
: Subscene or OpenSubtitles are the most reliable. subtitle Love.Hard.2021.1080p.WEBRip.x264-RARBG...
In : It automatically searches for and downloads missing subtitles when you open the video. If you don't want to hunt for files
For most media players to "auto-load" the subtitle, the naming must be identical to your video file. subtitle Love.Hard.2021.1080p.WEBRip.x264-RARBG...