1. You must be connected to the internet!!
Installing GSAS-II
You must be connected to the internet!!
You must have Administrator privilege on your computer!!
This is for Windows!!

2. Finding GSAS-II – Google it
Finding GSAS-II – Google it! Pick ZipInstall - GSAS-II - Crystallography Data Analysis Software - Trac
Important point here:
Install EPD Free first before installing GSAS-II!
Do one of these (I also have this file on a stick) - put it where you want (say C:\GSASII)

3. EPD Free Installation Get file from Enthought (I have on a stick)
(full academic version from
Install file – epd_free win-x86.msi
(you must have Administrative privilege on your computer)
Open a console window & type python – get something like:
Enter exit() to quit python

4. Install GSAS-II Open GSASIIsvn.zip in the Windows Explorer
you should see a single folder named GSAS-II.
Drag this folder to where you would like to install the software (say the C:\ drive, but could be anywhere).
Open this folder in its new location
Double-click on the bootstrap.bat file.
A console window will open and you should see...
Press Enter and the transfer of files starts. After it completes

5. GSAS-II installation cont..
you should see something like:
Revision will be different!!
GSAS-II will start & then immediately install pyOpenGL and stop
Go to GSASII directory & find GSASII.BAT
You can create shortcut & put on desktop
Double click it!!

6. GSAS-II runs! Data Tree window GSAS-II plot window Data Window console
Tutorials under Help