System Requirements Nota Bene works on computers running Microsoft Windows 95, 98, ME, NT, 2000, XP, and Vista, as long as they have: Approximately 30 MB of free disk space (Nota Bene is a very compact program, despite all the capabilities it provides) The minimum amount of memory recommended by the operating system in use (ranging from about 64MB on a Windows 95 system to 512MB or 1GB or more on a Vista system) A CD drive or internet connection (for installation only)