How to download and setup sage
Open terminal and run command
git clone https://github.com/rvillegasm/sage.git
git clone is used to create a copy or clone of sage 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 sage https://github.com/rvillegasm/sage/archive/master.zip
Or simply clone sage with SSH
[email protected]:rvillegasm/sage.git