7 Feb
                
                    2018
                
            
            
                7 Feb
                
                '18
                
            
            
            
        
    
                3:55 p.m.
            
        Ctrl+Windows+Enter should enable Microsoft Narrator once the installation image is booted. From that point on, follow the prompts. I haven't tried this myself, but it is reputed to work as of 1709.