Peter J Wilcoxen > PAI 789 Advanced Policy Analysis

Download and Install QGIS

Due Monday 4/12

We're going to start using GIS next week. To get set up for that, please download and install the open-source GIS application QGIS. It's available here:

The download page will offer several versions that vary with your operating system.


Choose the QGIS Standalone Installer Version 3.18, not the Network Installer that is listed first. You'll need to choose between the 64-bit and 32-bit versions. Pick the 64-bit version: the 32-bit version would only be necessary if you had a very old version of Windows.


As long as your version of macOS is 10.13 or newer, choose the QGIS macOS Installer Version 3.18. Please note the comment about security rules: "QGIS is not yet notarized as required by macOS Catalina (10.15) security rules. On first launch, please right-click on the QGIS app icon, hold down the Option key, then choose Open." If your version of macOS is older than 10.13, the installation is a bit more involved because you'll need to install a specific version of Python. If you're in that situation, please get in touch with me.

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Peter J Wilcoxen, The Maxwell School, Syracuse University
Revised 07/26/2021