This release includes an encryption feature for the Cordless Freedom Optical and Cordless FreedomÃ??Ã?Â¢?Ã??Ã?Â¢ iTouchÃ??Ã?Â¢?Ã??Ã?Â¢ keyboards only. Multimedia keys support Creative LabsÃ???Ã??Ã?Â® Player versions 1.5 and 2.x, WinDVD, Power DVD, WindowsÃ???Ã??Ã?Â® Media Player 7, RealJukeboxÃ??Ã?Â¢?Ã??Ã?Â¢, RealPlayerÃ???Ã??Ã?Â® 7 Basic, RealPlayerÃ???Ã??Ã?Â® G2, RealPlayer PlusÃ??Ã?Â¢?Ã??Ã?Â¢ G2, MusicMatchÃ??Ã?Â¢?Ã??Ã?Â¢ 4.x, LiquidAudio v4.x/5, Windows98SEÃ???Ã??Ã?Â® DVD player. The iTouch software uses a CHM-based Help file and Internet Explorer 4.01 or higher must be installed to view the Help file correctly. If you are using a release prior to 4.01, please upgrade your version of Internet Explorer from the Microsoft web site.