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