You will only need to do this once.  Afterwards, enter the "boot" command or reboot the system to proceed to your newly installed system.
Tesriḍ kan ad tgeḍ aya tikkelt kan.  Syen, sekcem taladna "boot" neɣ ales asenker n unagraw i wakken ad tɛeddiḍ ɣer unagraw-inek·inem yettusbedden melmi kan.