Download any file from internet with spliting
                            
                         
                        
                     
                 
                
                    A file (Any format) ,size 2 GB ,i want to download this file from internet with spliting 
Example rafeeq.avi file .This file split to 1 GB and 1 GB then simultaneously download .after download i want to merge these file to 2GB.How to possible in c# windows base code ?
By this model download we can reduce time