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