Liège
Mairie de quartier d'Angleur
Rue de l'Hôtel-de-Ville 6, Château de Péralta, 4031 Liège
Take a queue ticket, also on Saturday mornings, and ask whether your national licence can be swapped for a Belgian one.
Bring the original licence and identity/residence document, and ask which evidence of issue date, residence and any translation is required for your issuing country. The city assesses each file individually. Follow the notification for collection at the application counter and collect within three months.