Step-by-step tutorials for working on mapping projects using GIS methods and software.
QGIS is a free and open source desktop GIS software used to create, edit, visualize, analyze, and publish geospatial information on Windows, Mac, Linux, BSD and mobile devices.
Visit QGIS.org.
Select Download Now
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Select your desired platform.
If you get an error message that Apple can’t check the app for malicious software, you can follow these instructions, by right-clicking the application and selecting Open
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Standalone Long Term Release