update installation guide

docs/source/guide/downloader.rst

@@ -22,7 +22,7 @@ Next to this, create a configuration file (JSON file) that contains all the data
 the data you would like to request, example:
 
 .. code-block:: json-object
-    
+
     {
         "product_type": "reanalysis", 
         "variable": [
@@ -44,7 +44,7 @@ the data you would like to request, example:
 This JSON file in general should contain the information on your **Area of Interest** and other 
 specific information on the datasets you would like to download.
 
-Step Two:
+Step Two
 ---------
 Specify the time range (start date and end date) and download your data to the specified path:
 

docs/source/guide/installation.rst

+.. _install: 
+
 Installation
-------------
+============ 
+The smodex package is distributed via the Python Package Index and also available on the 
+[development repo](https://gitlab.inf.unibz.it/earth_observation_public/smodex). To enable 
+the full functionalities, install also the `cdsapi`
+
+
+Option 1: Use Pip (Recommended)
+-------------------------------
+The easiest way is to use pip, which contains the latest release of the package. 
+Install pip in your development environment, if you do not have pip installed yet, 
+if you do not have pip installed yet.
+
+
+.. code-block:: bash 
+
+    pip install smodex
+
+
+Option 2: Clone the repository
+------------------------------
+The latest development version of the smode package is available on the 
+[GitLab repo](https://gitlab.inf.unibz.it/earth_observation_public/smodex). 
+
+
+.. caution::
+    The version on the repo is  not guaranteed to be stable, but in 
+    general contains new features that are yet to be released
+
+.. code-block:: bash 
+
+    git clone https://gitlab.inf.unibz.it/earth_observation_public/smodex
+    cd smodex
+    python setup.py install