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Installing QGIS >= 1.0.0 for Windows

  1. Go to http://download.qgis.org/downloads.rhtml and from there to http://trac.osgeo.org/osgeo4w/ and download the OSGeo4W Installer (osgeo4w-setup.exe)
  2. Uninstall any preview version of QGIS and be sure you delete your .qgis directory somewhere under your Documents and Settings directory
  3. Start the Installer osgeo4w-setup.exe
  4. QGIS 1.0 - the long time support version - is available via Express Install. The cutting-edge version and nightly trunk builds are under Advanced Install in the Desktop section.
  5. Leave all options as by default and click Next until you reach a menu named Select Packages (You'll wait few seconds on menu named Progress, be patient). Note that, by default, you skip everything in that list, so if you do not select as stated in the next step you will install almost nothing.
  6. Select packages:
  7. :* For 1.0 LTS:
  8. :** QGIS in the Express Install or
  9. :** qgis-full in the Desktop section of Advanced Install
  10. :* For releases from the cutting-edge series:
  11. :** qgis-unstable in the Desktop section of Advanced Install
  12. :* For nightly builds of trunk:
  13. :** qgis-dev in the Desktop section of Advanced Install
  14. : Selecting any of the above will automatically install other necessary packages (like GDAL, Qt, python and GRASS).
  15. : You might want to install additional packages:
  16. :* pyqwt5-qt4 (for python plugins using QWT, eg. valuetool)
  17. :* psycopg2 (for python plugins using PostgreSQL, eg. postgis manager)
  18. :* gdal-ecw and gdal-mrsid, if you want ECW and MrSID support in GDAL and in turn QGIS (see next section for details)
  19. :* setup for later installs and updates
  20. Start QGIS and click on Plugins/Manage plugins
  21. Select all plugins. Make sure you get "Plugin Installer" selected.
  22. Review the list and check for any message of incompatibility: if you have any, this means that you did not delete your .qgis directory as previously instructed. In that case, exit qgis and delete the contents of the directory .qgis/python/plugins
  23. Close the Manage Plugins tool by clicking OK. Now you should have "Fetch Python Plugins" under Plugins. Select this option.
  24. Go to Repositories and then Add 3rd Party Repositories
  25. Click tab Plugins and select
    1. fTools for QGIS 1.0 (already included in >1.0)
    2. Point Sampling Tool
    3. Value Tool (needs pyqwt5-qt4)
    4. Other plugins you wish
  26. :Note that some plugins will tell you to quit and restart Qgis. Do it if required after next step and check that they are selected in the Plugins/Manage Plugins
  27. Close Fetch Python Plugins dialog and open Plugins/Manage plugins: enable those plugins that you just installed. A tab named Tools should be there. Point Sampling Tool is under Plugins/Analyses. Value tool will open a window below the legend
  28. Unless you installed the setup package, you should keep your installer osgeo4w-setup.exe for the future to install and update, you just re-run the installer and will install whatever be needed. You can also use it to install other OSGEO programs, libraries and utilities. For example, to be able of displaying raster images in *.ECW (ERMapper) and *.sid (MrSid) format (recomended), you must follow directions in the next paragraph (thanks to Micha Silver !)

Installing support for raster .ECW (ERMapper) and *.sid (MrSid) formats

In order to get QGIS able of displaying raster images in *.ECW (ERMapper) and *.sid (MrSid) format (recommended), and due to legal issues with the licenses of these libraries, the following operations cannot be performed by the OSGeo4W Installer that you just downloaded and must be done "manually" by you:

1. Follow the instructions here: http://trac.osgeo.org/osgeo4w/wiki/pkg-gdal-ecw ,

2. Go through the specified link to the ERMapper site, select tab Download, click in "ECW JPEG2000 Codec SDK Login or Register to Download"

3. Register, wait for your confirmation message and do what it says in it

4. Login, go back to the page where you had the sign "ECW JPEG2000 Codec SDK Login or Register to Download", refresh it (unless you want to spend few minutes of anxious wandering in that website as I sadly did) and you should get the sign changed to "ECW JPEG2000 Codec SDK DOWNLOAD". Yeah, that's it , download, unzip and install ERMapper SDK by runing the exe file.

5. Copy the four *.dll files from the Earth Resource Mapping\ECW SDK\bin to c:\osgeo4w\bin (or C:\Windows\System32)

6. If you did not select gdal-ecw and gdal-mrsid under Libs in your previous run of the OSGeo4W Installer (osgeo4w-setup.exe), launch it again, leave all settings as you had but select gdal-ecw and gdal-mrsid under Libs now and run.

Should work (thanks to Micha Silver for telling us!)