How to download and setup Matrix
Open terminal and run command
                                            git clone https://github.com/titan2420/Matrix.git
                                        
                                        git clone is used to create a copy or clone of Matrix 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 Matrix https://github.com/titan2420/Matrix/archive/master.zip
Or simply clone Matrix with SSH
                                            [email protected]:titan2420/Matrix.git                                    
                                    If you have some problems with Matrix
You may open issue on Matrix support forum (system) here: https://github.com/titan2420/Matrix/issuesSimilar to Matrix repositories
Here you may see Matrix alternatives and analogs
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