129IBM SPSS Data Collection Survey Tabulation, IBM SPSS Data Collection Survey Reporter Server Edition, and IBMSPSS Data Collection Author Server Edition installation informationE From the Installer window, choose Install Data Collection Developer Library. Follow the instructionson each screen.Notes The DDL is available as a separate installation on all Data Collection product installation CDs. To view the DDL Release Notes, browse the CD and open Release Notes.htm from the DDLfolder. You can also view the Release Notes after installation in the DDL installation directory([INSTALL_FOLDER]\IBM\SPSS\DataCollection\6\DDL\Release Notes.htm). If you have installed an earlier version of the DDL, it is recommended that you remove itbefore installing the new version. You may experience missing help topics when the Data Collection Developer Library isinstalled after the Data Collection applications are installed. You can restore the missingtopics by manually deleting the IBM Eclipse Help System’s cache files:1. Navigate to the Windows Control Panel > Administrative Tools > Services and stop theDataCollectionHelpCenterService service.2. Go to C:\Program Files\CommonFiles\IBM\SPSS\DataCollection\6\Documentation\ibm_help\eclipse and delete theworkspace directory.3. Open the configuration directory and delete the four child directories(org.eclipse.core.runtime, org.eclipse.equinox.app, org.eclipse.osgi, and org.eclipse.update).Take care that you DO NOT delete the file config.ini.4. Restart the DataCollectionHelpCenterService service. All of the help system topics shouldnow display as expected.System requirementsOperating systems Microsoft® Windows® XP Professional (x86 32-bit edition) with Service Pack 3, MicrosoftWindows Server 2003 R2 Business or Enterprise Edition (x86 32-bit or x64 64-bit edition),Microsoft Windows Server 2008 (standard and R2) Business or Enterprise Edition (x8632-bit or x64 64-bit edition), Microsoft Windows Vista Business or Enterprise Edition withService Pack 2 (x86 32-bit or x64 64-bit edition), or Microsoft Windows 7 Business orEnterprise Edition with Service Pack 1 (32-bit or x64 64-bit edition). Note that MicrosoftWindows Server 2003 R2 is only supported when upgrading from a previous IBM SPSSData Collection version.Software Microsoft Internet Explorer 8 or above or Firefox 3.x or above A program for extracting files from a ZIP archiveHardware Pentium®-class processor operating at 1GHz or faster. 2GHz recommended