Multi-volume archives how to
Visit the 7-zip website and download the version for your version of windows. Execute the downloaded file
Follow the steps below to install the 7-zip program
Make sure to download all the parts of the file you want (In this case the 30 parts of the preprocessed matlab data).
Right-click on the first file (with extension .zip.001), select "7-zip" and then "extract here"
7-zip will extract the data from the archive