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