Click on the menu View > Download Subtitles (> Extension > VLSub if you're on Mac OS).Mac OS X (current user): /Users/%your_name%/Library/Application Support//lua/extensions/.
Mac OS X (all users): /Applications/VLC.app/Contents/MacOS/share/lua/extensions/.Linux (current user): ~/.local/share/vlc/lua/extensions/.Linux (all users): /usr/lib/vlc/lua/extensions/.Windows (current user): %APPDATA%\vlc\lua\extensions\.Windows (all users): %ProgramFiles%\VideoLAN\VLC\lua\extensions\.put the file "a" in vlc /lua/extensions:.You need to install that program first and the follow the instructions below. VLC extension to download subtitles from using the hash of the video or its title.