1. How To Enable the Registration Form on the ‘Login/My Account’ page?
In case you cannot see the Registration Form on the My Account page or checkout page, it means you need to enable it.

You can find this setting by navigating to WooCommerce >> Settings.

Open Accounts & Privacy Tab, In the Account creation section, make sure the” Enable registration on the “Checkout” page” and “Enable registration on the “My Account” page” options is checked.

This is what you should be seeing on your screen:

2. How To Add Color/Size selection box on the product page?
In WooCommerce, you can define product attributes, such as size or color, to use be used as product options.

Start by navigating to Products → Attributes.

For example an attribute could be “Size“. Then you need to Configure its terms. Those would be “Small, Medium, Large“.

Once defined, these global attributes can be assigned to your variable products.

3. How to Add Contact Information on Footer

Front Page look like :

To setting up Navigate to Appearance >> Widgets

Select Sidebar you want to display in frontend

Import Text widgets to there as HTML Code below