To create an Yes/No attribute, go to admin STORES -> Product [Attributes]
then click Add New Attribute
button, create an attribute with Catalog Input Type for Store Owner
of Yes/No
Then go to STORES -> Attribute Set [Attributes]
, select an attribute set you are using ( for example “default” ), then drag an attribute from Unassigned Attributes
to Groups
So you just created an Yes/No attribute and ready to use it