: Rather than a full replacement of the executable, this is a plugin for the official 7-Zip. By placing the plugin files into a "Codecs" folder within your 7-Zip installation directory, you can add support for LZ4 without switching to a different application version. It is maintained at TC4Shell . Why Use LZ4 in 7-Zip?
: A "High Compression" variant is often available, which uses more CPU time to find better matches while maintaining the same lightning-fast decompression speed. modded 7zip for lz4