For most media players (like VLC or MPC-HC) to detect the subtitles automatically, rename the subtitle file to match your movie file exactly: Movie: Burning.Blue.2013.1080p.WEBRip.x265-RARBG.mp4 Subtitle: Burning.Blue.2013.1080p.WEBRip.x265-RARBG.srt
When searching for subtitles for an x265-RARBG release, you need files that match the frame rate of the WEBRip. Here are the most reliable databases: subtitle Burning.Blue.2013.1080p.WEBRip.x265-RARBG
Press to delay the subtitles (if they appear too early). For most media players (like VLC or MPC-HC)