Version 14 (modified by toby, 7 years ago) (diff)


Installing GSAS-II with a single download

A single download installer can be used to install the latest version of GSAS-II. Click here to see this page without screen images?.

Download a .exe file using this URL: (~300 Mb)

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Install Python

Run the downloaded file (g2conda-0.1.1-Windows-x86_64-test.exe).

Note that the installer suggests closing all applications. It is wise to save work in other applications, but closing them seems a bit excessive. You will need to pass through several windows, selecting options as you go.

Installer starting

  • The License Agreement window shows you the article we ask you to cite, as well as the use terms for Python and packages. You must agree to continue.

License screen

  • We have only tested with install for "Just Me"

Installation type screen

  • You can install anywhere you wish. You should note the directory you use here in case you have problems (see below). This must be a new directory.

Choose installl location

  • Unselect the two Advanced Installation Options (unless you want to use this Python for other tasks).

select install option

The Python installation will then begin. screen during installation

The last step will be to download the latest version of GSAS-II.

  • A "DOS' (cmd.exe) window will open and you are asked to enter a proxy address. Most people will leave that blank and hit return.

All done screen

  • The GSAS-II files will be downloaded and a desktop shortcut will be created to start GSAS-II. That shortcut can be copied or moved to other locations. Double-clicking on it will start GSAS-II.

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Note: A spurious error message saying "Failed to run post install script" will then be displayed. Press "Ignore" as this does not actually represent a problem.

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Then click on "Next" and "Finish". to complete the installation.

desktop icon

If the GSAS-II Installation fails to start

If the cmd.exe window does not open, this must be done manually with the following steps. Note that this represents a problem that should be reported.

  • Using Windows File Explorer, open the directory where Python (g2conda) was installed.
  • Open the directory where was installed in Windows File Explorer.

Just before all done screen

  • Click on the Scripts folder to open that subdirectory.

sample install error message

  • Scroll down to the install-gsas2.bat file and double-click on that to start the GSAS-II download and installation.

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