UnityXScaling
                                Unity XScaling - a runtime framework for GPU-based textures and screen upscaling (super-resolution). Supports every platform.
                            
                        How to download and setup UnityXScaling
Open terminal and run command
                                            git clone https://github.com/DevsDaddy/UnityXScaling.git
                                        
                                        git clone is used to create a copy or clone of UnityXScaling 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 UnityXScaling https://github.com/DevsDaddy/UnityXScaling/archive/master.zip
Or simply clone UnityXScaling with SSH
                                            [email protected]:DevsDaddy/UnityXScaling.git                                    
                                    If you have some problems with UnityXScaling
You may open issue on UnityXScaling support forum (system) here: https://github.com/DevsDaddy/UnityXScaling/issuesSimilar to UnityXScaling repositories
Here you may see UnityXScaling alternatives and analogs
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