WinMX Speed Up Pro - Version 2.9 WinMX Speed Up Pro is a revolutionary download-acceleration program that will make your life easier by speeding up WinMX downloads. Our streaming technology brings your download speed to maximum. Automatically finds more sources better then a regular WinMX search engine and optimizes bandwidth utilization. The WinMX Speed Up Pro functions also include resuming interrupted downloads, clearing downloaded and erroneous files and much more.