Incoming orders on the quote record
After your quote is accepted by the customer, select the "Order Entry" 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
On the opportunity page belonging to the quote, the following is happening on order entry: 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.