Version 1 (modified by toby, 6 years ago) (diff)


GSAS-II with Python 3.x

Here are some instructions for installing Python 3.6 for GSAS-II


Install Miniconda from

Download and run the Miniconda3-latest-Windows-x86_64.exe file. The installer will ask you to exit all applications. This is probably not needed but saving your work in all apps before continuing seems like a good idea.

  • You will need to accept the license agreement.
  • Select "Just Me" unless you want to run Python from multiple accounts on your computer and are logged into an admin account. Use of "Just Me" is recommended.
  • Select the installation location with some care. Avoid any path that contains a space in it (avoid C:\Users\Brian Toby\Miniconda3). I suggest C:\conda3. Make a note of the path you use and change subsequent commands to use this path if you use something else.
  • Unselect both of the two "Advanced option" boxes unless you are planning to do your own development in Python and understand what they do.
  • Click on "Install" and wait a few minutes while the minimal Python files are unpacked and are installed on your computer.
  • On the Thanks page, you may want to unselect the two boxes, but do note that the Anaconda folks are doing a great service for science.

In the start menu, look for an Anaconda