How to download and setup xlsx
Open terminal and run command
git clone https://github.com/tealeg/xlsx.git
git clone is used to create a copy or clone of xlsx repositories.
You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with xlsx https://github.com/tealeg/xlsx/archive/master.zip
Or simply clone xlsx with SSH
[email protected]:tealeg/xlsx.git