diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,3 +1,38 @@
-# install-tuxedo-control-center
+## Install tuxedo-control-center on Ubuntu focal
+
+[toc]
+
+https://www.tuxedocomputers.com/en/Infos/Help-and-Support/Instructions/Add-TUXEDO-Computers-software-package-sources.tuxedo#
+
+
+
+### Etape 1 - Ajouter la liste des sources
+
+```
+sudo nano /etc/apt/sources.list.d/tuxedocomputers.list
+```
+
+Dans le fichier `/etc/apt/sources.list.d/tuxedocomputers.list` ajouter les lignes suivantes :
+
+```
+deb http://deb.tuxedocomputers.com/ubuntu focal main
+deb http://oibaf.tuxedocomputers.com/ubuntu focal main
+deb http://graphics.tuxedocomputers.com/ubuntu focal main
+deb http://kernel.tuxedocomputers.com/ubuntu focal main
+```
+
+
+
+### Etape 2 - Installer avec apt
+
+Ensuite installer avec apt via les commandes suivantes :
+
+```
+wget -O - http://deb.tuxedocomputers.com/0x54840598.pub.asc | sudo apt-key add -
+sudo apt-key adv --fingerprint 54840598
+sudo apt-get update
+ 
+sudo apt install tuxedo-control-center
+```
+
 
-Guide d'installation du control center de tuxedo pour laptop Ubuntu.
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