The OSGeo4W installer bundles relevant OSGeo software packages plus additional requirements into a convenient MS-Windows based installer. Re-running the installer will update existing packages and/or permit to modify the installation.
- The OSGeo4W Installer has two modes - express and advanced:
- "Express" gives you a short list of suggested packages to select from which have been widely tested.
- "Advanced" gives a long detailed list of packages and subpackages including development versions and so forth.