u need to install DXSDK_Jun10.exe & directx_Jun2010_redist.exe from https://www.microsoft.com/en-us/download/details.aspx?id=8109 https://www.microsoft.com/en-us/download/details.aspx?id=6812 then restart ur pc, right click TeknoParrotUi.exe choose run with graphic processor - choose high performance nvidia processor