After your quote is accepted by the customer, select the "Order" option in the quote preview. Through this, the current quote will be accepted, the products will be saved into the opportunity, and all other quotes of this opportunity will be rejected.
Incoming orders at the Opportunity
Auf Seiten der zum Angebot gehörenden Opportunity geschieht bei Auftragseingang folgendes: Eventually, the products are synchronized between the quote and the opportunity, the amount is updated and the opportunity is closed by depositing a phase of your choice.