How to download and setup iris
Open terminal and run command
                                            git clone https://github.com/islisp-dev/iris.git
                                        
                                        git clone is used to create a copy or clone of iris 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 iris https://github.com/islisp-dev/iris/archive/master.zip
Or simply clone iris with SSH
                                            [email protected]:islisp-dev/iris.git                                    
                                    If you have some problems with iris
You may open issue on iris support forum (system) here: https://github.com/islisp-dev/iris/issuesSimilar to iris repositories
Here you may see iris alternatives and analogs
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