diff --git a/README.md b/README.md
index be177b1..1a3bd52 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,28 @@ This plugin will provide a preview panel for PDF and ODF files based on [ViewerJ
 1.0.2 (06.2015)
 
 ### Installation
-This steps are show for debian bases systems. It should be simillar to all other systems.
+
+#### Installation for Ubuntu/Debian
+
+To install the fileviewer plugin, add the following repository to your apt list:
+
+http://packages.sprinternet.at:82
+
+```sh
+$ wget packages.sprinternet.at/packages.sprinternet.key > packages.sprinternet.key
+
+$ sudo apt-key add packages.sprinternet.key
+
+$ echo "deb http://packages.sprinternet.at:82 trusty main" | sudo tee -a /etc/apt/sources.list
+
+$ sudo apt-get update
+
+$ sudo apt-get install zarafa-webapp-plugins-fileviewer
+```
+
+#### Manual Installation
+
+This steps are show for debian bases systems. It should be similar to all other systems.
 
 Install the plugin to Zartafa Webapp. Therefore copy the whole folder **'fileviewer'** to the Webapp plugin directory:
 
@@ -14,6 +35,8 @@ Install the plugin to Zartafa Webapp. Therefore copy the whole folder **'filevie
 $ sudo cp -r fileviewer /usr/share/zarafa-webapp/plugins/
 ```
 
+If you are running a precompiled WebApp you have to run "ant deploy" in the rootfolder of the fileviewer plugin before copying it.
+
 Now you have the plugin installed. Restart the webserver (optional) and continue configuring the fileviewer plugin.
 
 ```sh