Following are some of the questions most frequently asked about using The Census Book. Please do not hesitate to contact a Technical Support Representative if your question is not answered below: Note: Demos for this CD will not function on Windows 2000 and XP. System Requirements Intel Pentium processor Microsoft Windows 95 OSR 2.0, Windows 98 SE, Windows Millennium Edition, Windows NT 4.0 with Service Pack 5, Windows 2000, or Windows XP Adobe Acrobat Reader (Click here for download page) 64 MB of RAM 4 MB of available hard-disk space