How to download and setup tidb-operator
Open terminal and run command
                                            git clone https://github.com/pingcap/tidb-operator.git
                                        
                                        git clone is used to create a copy or clone of tidb-operator 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 tidb-operator https://github.com/pingcap/tidb-operator/archive/master.zip
Or simply clone tidb-operator with SSH
                                            [email protected]:pingcap/tidb-operator.git