Head over to the 'Orders' page.
Expand the order in question by clicking on it.
Click the 'Edit Variant' button.
Select the variant you want to switch to.
Click the 'Confirm' button.
How to update variants for orders.
Head over to the 'Orders' page.
Expand the order in question by clicking on it.
Click the 'Edit Variant' button.
Select the variant you want to switch to.
Click the 'Confirm' button.