How to download and setup struct2interface
Open terminal and run command
                                            git clone https://github.com/reflog/struct2interface.git
                                        
                                        git clone is used to create a copy or clone of struct2interface 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 struct2interface https://github.com/reflog/struct2interface/archive/master.zip
Or simply clone struct2interface with SSH
                                            [email protected]:reflog/struct2interface.git                                    
                                    If you have some problems with struct2interface
You may open issue on struct2interface support forum (system) here: https://github.com/reflog/struct2interface/issuesSimilar to struct2interface repositories
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