Directory install
ZIP files of ready-to-install CTAN packages. The package contained in CTAN directory a/b/c/d/ appears as install/a/b/c/d.tds.zip – each such file may be unzipped directly into a TDS tree, and should contain no `tree prefix'.
![...](https://ctan.org/assets/ctan-rot-ff5ef84c1b1224b861edaf720adbeacc.gif)