If your product is among:
NAV 3.0 & 4.0 for DOS/Win3x
NAV 2.0 for Win95
NAV 2.0 for WinNT
Norton Utilities 2.0 for WinNT
Norton NT Tools
NAV 4.0, 5.0 and 2000 for Win9x
NAV 4.0, 5.0 and 2000 for WinNT
NAV 2000 for Win2000
pcAnywhere32 7.5 and higher for WinNT
NAV for NetWare 
You can use:  
1011x86.exe October 11 October 11 4.33 MB