3 | 3 | Overview: Installing GSAS-II requires three separate steps. One must install a Python package which will interpret the GSAS-II code that we distribute and to self-update one must also install the subversion package which is used to download and update the GSAS-II files from the server at Argonne. Once that is done, one can install and then run the GSAS-II system. To make matters even more complex, there are several choices on how each step can be performed, with different advantages. The Quick Install Instructions, below, offer the simplest options. Feedback on installation instructions is welcomed by |