Download the appropriate ZIP file according to the HDFql version, architecture, and (optional) MPI library of interest from https://www.hdfql.com/#download. For instance, if the HDFql version of interest is 2.6.0 and it is to be used on a machine running macOS 64 bit with the need to work with HDF5 files in parallel using MPICH 3.2.x MPI library, then the file to download is “HDFql-2.6.0_Darwin64_MPICH-3.2.zip”.
Unzip the downloaded file using the Archive Utility or by opening a terminal and executing “unzip <downloaded_zip_file>”. If the unzip utility is not installed, it can be installed by executing the following command in a terminal: