January 2019
Beginner
164 pages
3h 15m
English
You can use the OSGeo4W installer to install new updates. It will uninstall the previous version. You may have older versions installed on your system (perhaps installed with the standalone installer). To uninstall, locate the installation directory of the older version and run the uninstall.exe file. This is shown in the following screenshot:

Step through the uninstallation wizard and, once uninstalled, you should get a similar message (depending on your version) to this:

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