var 	
  stream : TFileStream; 	
  http : TIdHTTP; 
begin 	
 http := TIdHTTP.Create; 	
 stream := TFileStream.Create('C:/sffsf.dat', fmCreate); 	
 try 		
    http.get('somesite.com/somefile', stream);
finally 		
    FreeAndNil(http); 		
    FreeAndNil(stream); 	
end;