The phrase appears to be a search query for a high-quality (likely 64-bit or 4K/UHD optimized) digital version of the 1999 film The Matrix with Portuguese subtitles (Legendas). Guide to Finding and Using Subtitles for The Matrix (1999)

: Known for a clean interface and reliable community uploads. How to Load the Subtitles :

If "64" refers to a specific technical version you are seeking (such as a Nintendo 64 inspired "demake" or a specific 64-bit codec version), these are rare. Most modern users seeking "Matrix 64" are actually looking for compatible media players or high-bitrate 4K encodes .

: If it doesn't load automatically, simply drag the .srt file onto the video player window while the movie is playing. Technical Note on "64"

in your query might refer to a specific release group or a 4K encode. When searching for subtitles, ensure the "release name" of your video file matches the subtitle file to prevent synchronization issues (audio and text being out of sync). Top Subtitle Repositories :

: Use VLC Media Player or MPC-HC . These players automatically detect subtitle files in the same folder.