This guidance document will help CBs in China to install the QGIS so that the further assessment can be conducted through QGIS. QGIS is an open-source, user-friendly, and professional GIS application licensed under the GNU General Public License. It runs on Linux, Unix, Max OSX, Windows, and Android and supports numerous vector, raster, and database formats and functionalities.

Guidance for Installing QGIS in OSGEO4W and Python