1) Download the executable "DOFUS_Installer.exe"
2) Launch the executable and follow the step by step installation instructions
3) Once the installation is over, start DOFUS.
4) The updater automatically checks if there are updates available for your version. (This operation can take a few minutes depending on the last version installed).
5) Once the updater has installed the updates, click on "Play" to access to DOFUS.