How to use the parts archive: 1) download all parts 2) check SHA1 checksums (see sha1.txt) 3) join all parts into one file 4) decompress (well, untar) On *nix/bsd (including Mac OS) systems you can do something like at the terminal prompt: $ cat fiveK_part_aa fiveK_part_ab ... fiveK_part_aj > fiveK.tar $ tar -xv fiveK.tar Note: for some reason 'cat fiveK_part_aa... | tar -x ' can fail, so use the commands above instead. On Windows people have reported success with > cp fiveK_part_aa+...+fiveK_part_aj fiveK.tar and untar using the GUI