4. Download Viivi Package

From Viivi Download Page, download the Viivi package zip file onto your PC.

For the sake of exposition, the downloaded file is assumed here to be saved in a download directory ${HOME}/Downloads/.
If you saved the file into a different directory, move the file to ${HOME}/Downloads/, or read every ${HOME}/Downloads/ in the next explanation replacing with your directory.

Some browsers can do directory-creation, downloading, and zip-extraction at once.
In that case, please create a Viivi system directory named Viivi in your home directory, download the Viivi package zip file, and extract the zip file into the the Viivi system directory.