Index: /issm/trunk-jpl/externalpackages/mpich2/install-1.4.1-p1-win7.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/mpich2/install-1.4.1-p1-win7.sh	(revision 15121)
+++ /issm/trunk-jpl/externalpackages/mpich2/install-1.4.1-p1-win7.sh	(revision 15122)
@@ -1,11 +1,13 @@
 #!/bin/bash
 
-#Some cleanup
-rm -rf install 
+#In order to install MPICH2 on your platform, go to www.mpich.org/downloads 
+#and download the following file (Windows x86_64 for the Windows distribution): 
+#mpich2-1.4.1p1-win-x86-64.msi. This file is also hosted on the ISSM website.
+
 
 #Download from ISSM server
-$ISSM_DIR/scripts/DownloadExternalPackage.py 'http://issm.jpl.nasa.gov/files/externalpackages/mpich-1.4.1-p1-win7.tar.gz' 'mpich-1.4.1-p1-win7.tar.gz'
+$ISSM_DIR/scripts/DownloadExternalPackage.py 'http://issm.jpl.nasa.gov/files/externalpackages/mpich2-1.4.1p1-win-x86-64.msi' 'mpich2-1.4.1p1-win-x86-64.msi'
 
-#Untar 
-tar -zxvf  mpich-1.4.1-p1-win7.tar.gz
-
+#once installed, create a symbolic link between the MPICH2 directory 
+#and the install directory. For example: 
+#ln -s /cygdrive/c/Program\ Files/MPICH2 install