First: Create a sales bundle
Go to “Sales” module
Open “Sales bundle” page
Press “New”
Write the “Description”
Press “➕” to the choose the bundle items
Add the quantity and the price
Press “Save”
Second: Search for it in the sales order
Go to “Sales” module
Open “Sales order” page
Press “🎁”
Search for the “Sales bundle name”
You can change the quantity of bundle from the “Change quantity” button