This is the PostgreSQL Installer for Windows. postgresql-8.3.20-1.zip is the multi-language version of the installer. postgresql-8.3.20-1-binaries-no-installer.zip is a zip of the PostgreSQL installation directory. It does not include any of the bundled apps or drivers and is intended for expert users only! This bundle requires the Microsoft Visual C++ 8.0 runtimes to be installed on your system. A seperate installer can be downloaded from: http://www.microsoft.com/downloads/details.aspx?FamilyID=200b2fd9-ae1a-4a14-984d-389c36f85647&DisplayLang=en postgresql-8.3.20-1-symbols.zip is a zip of the debug symbols for PostgreSQL. Each file has been GPG signed (see the accompanying .sig files) at build time by Dave Page. Dave's public key may be found at http://www.pgadmin.org/pgp/davepage.pgp A walkthrough of the installation may be found at: - http://pginstaller.projects.postgresql.org/ The FAQ may be found at: - http://pginstaller.projects.postgresql.org/faq/FAQ_windows.html - http://pginstaller.projects.postgresql.org/faq/FAQ_windows_br.html (Brazilian Portuguese translation) - http://pginstaller.projects.postgresql.org/faq/FAQ_windows_ja.html (Japanese translation) - http://pginstaller.projects.postgresql.org/faq/FAQ_windows_tr.html (Turkish translation) Details of how to run a silent installation may be found at: - http://pginstaller.projects.postgresql.org/silent.html The pgInstaller project may be found at: - http://pgfoundry.org/projects/pginstaller/