Will easily allow you to fine tune your TCP/IP parameters tomaximize your throughput for your dialup internet connections. iSpeed has builtin optimal configurations that will set your configurations to those found to provide the greatest throughput on a number of different systems at the click of a button. iSpeed will automagically calculate the optimal values for certain settings based on the values of other settings if desired. Now support Windows 95, 98 and NT 4.0 SP3.