Updated the INSTALL.txt for windows with pypi

INSTALL.txt

@@ -129,8 +129,8 @@ II. Installation on GNU/Linux and MacOSX using the sources
         virtual environment (see 4.) before starting the server (see 6.).
 
 
-III. Installation on Windows (32/64bit)
+III. Installation on Windows (32bit) using the Python Package Index (PyPI)
----------------------------------------
+-----------------------------------------------------------------------------
 
 NOTE: There is a portable version of OpenSlides for Windows which does not
 required any install steps! If there is a reason that you can not use the
@@ -139,14 +139,10 @@ portable version you should run the following install steps.
 
   1. Install requirements:
 
-        OpenSlides requires following programs, which should be
+        The OpenSlides install requires following programs, which should be
         installed first:
           + Python Programming Language 2 (>= 2.5),
           + Setuptools
-          + ReportLab Toolkit
-          + Python Imaging Library (PIL)
-          + Django
-          + django-mptt
 
      a) Download and run 32bit MSI installer from http://www.python.org/:
 
@@ -163,33 +159,18 @@ portable version you should run the following install steps.
 
         http://pypi.python.org/packages/2.7/s/setuptools/setuptools-0.6c11.win32-py2.7.exe
 
-     d) Install ReportLab Toolkit, Python Imaging Library (PIL), Django
+
-        and django-mptt:
+  2. Install OpenSlides:
 
         Open command line (cmd) and run:
 
-        easy_install django django-mptt reportlab pil
+        easy_install openslides
-
-        If you use a 64bit version of Python, you have to install reportlab
-        and PIL manually - without using easy_install.
-
-  2. Get OpenSlides:
-
-     a)  Download latest OpenSlides release from http://openslides.org.
-
-     OR
-
-     b) Clone development version from OpenSlides' github repository
-        https://github.com/OpenSlides/OpenSlides. This requires Git,
-        see http://git-scm.com/.
-
-        Open command line (cmd) and run:
-
-        git clone git://github.com/OpenSlides/OpenSlides.git
 
   3. Start OpenSlides server and open URL in your default browser:
 
-        python start.py
+        Open command line (cmd) and run:
+
+        openslides
 
         If you run this script the first time a new database and the
         admin account are created. Please change the password after
@@ -198,4 +179,4 @@ portable version you should run the following install steps.
         Username: admin
         Password: admin
 
-        Use 'python start.py --help' to show all start options.
+        Use 'openslides --help' to show all start options.