Your Microsoft Windows© operating system must meet the following minimum requirements: - One of these Operating Systems: Win98 OSR Win ME WinNT Workstation 4.0 and Server 4.0 (with Service Pack 3 or later) Windows 2000 Windows XP Home or Professional Edition - Dial-up Requirements: Modem - Broadband requirements: Wireless: WLAN Card 802.11b. Note: The WLAN cards are not supported on Windows 95 operating systems. Wired: Network Interface Card - PHS requirements: Must dial with a PHS Phone Must dial within Japan Note: For Windows 95, we recommend Dial Up Networking (DUN) v1.3 available at ftp://ftp.microsoft.com/softlib/mslfiles/msdun13.exe. For Windows NT, Service Pack 3 is functional, but it is not Y2K compliant.