first draft

README.md

-# Test Virtualbox Installation
+# Test your Virtualbox Installation
 
+This page helps you to test if your VirtualBox install is ok.
+
+## Install VirtualBox
+
+If not already done, install VirtualBox on your computer. You can follow the instructions given [here](http://student-pc.centralesupelec.fr/fr/node/332) by the DISI.
+
+## Test your installation
+
+For testing VirtualBox, we have developed a small virtual image that should run smoothly on your computer. Follow the following steps:
+
+- Download TestVM.ova from this [link]().
+- Import TestVM.ova: Menu File > import appliance, then select TestVM.ova and hit next and finalize hitting "Import" - ([help](https://docs.oracle.com/cd/E26217_01/E26796/html/qs-import-vm.html))
+- You know see the TestVM virtual image on the left
+- Select it and hit the "Start" button
+- Wait and look at the screen: when the virtual machine has finished to boot, you should obtain the following result:
+
+![The result that should be obtained](evaluate.png)
+
+If not, please find your problem below and a possible solution.
+
+## Problems and solutions