If you want to make any field optional or required on the Ccheckout form, then this can be done by following steps below:
Enable the required fields
Navigate to the Design tab and scroll down to the WooCommerce Checkout Fields.
Here Tick/Untick the toggle in front of the Required Field.
Click on Update when done.
This is how you can show/hide the required mark (asterisk) on the Checkout form.
