If you download the tar files, just follow the installation instructions in the README file. Let me head off one common email request: If you get error messages like "break_filelist: command not found", that means you didn't follow the installation directions. SLOCCount is actually a suite of programs, and you must make sure that your PATH environment variable includes the directory of the SLOCCount executable programs. That means you need to install the programs that your PATH variable already includes, or you need to modify your PATH variable. This is actually true for many programs, and isn't unique to SLOCCount at all.