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In addition, admins have ability of setting Featured adding products on Menu items.
No: do not allow adding products on Categories.
New arrival: allow adding products which is new within 24 hours on Categories.
Best seller: allow adding featured products on Categories.
To set featured products to add into Categories, go To choose products Go to Backend of Magento 2 stores > Products > Catalog > click on Edit of chosen products > Mega Menu under Basic Setting.
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