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