Try this:
SELECT
dbo.Product.ProductID,
dbo.Product.Category,
dbo.Product.ProductCode,
dbo.Product.Description,
dbo.Product.Price,
dbo.[Order].CustomerID,
dbo.[Order].OrderID,
dbo.[Order].OrderDate
FROM
dbo.[Order]
INNER JOIN dbo.Product ON dbo.[Order].ProductID = dbo.Product.ProductID
WHERE
convert(datetime,convert(varchar(20),dbo.[Order].OrderDate,106)) = convert(datetime,convert(varchar(20),getdate(),106))