done done

docs/install.rst

@@ -6,6 +6,20 @@ Installation
 
 Getting started is pretty simple. The first step is to install the library.
 
+.. tab-set::
+
+    .. tab-item:: Install from PyPI
+
+        .. code-block:: bash
+
+            pip install sphinx-disqus
+
+    .. tab-item:: Install from GitHub
+
+        .. code-block:: bash
+
+            pip install git+https://github.com/Robpol86/sphinx-disqus@main
+
 Once the package is installed add this extension to your Sphinx’s extensions list in the ``conf.py`` file. You'll also need to
 define your `Disqus shortname <https://help.disqus.com/en/articles/1717111-what-s-a-shortname>`_ in the same file.