: Edit options.txt and look for overrideWidth:768 and overrideHeight:500 .
Click , then run restart64.exe (found in the CRU folder) to apply the changes. GPU Control Panels (NVIDIA/AMD/Intel) : Stretched Res Pack For 768x500
: Navigate to %AppData%\Local\FortniteGame\Saved\Config\WindowsClient , open GameUserSettings.ini , and update all ResolutionSizeX/Y and LastUserConfirmedResolutionSizeX/Y values to : Edit options