There are two main ways to add a direct checkout page in WooCommerce. The first is to use the WooCommerce Checkout Page extension. This extension allows you to add a shortcode to any page on your site, and it will display the checkout form on that page.
The second way is to use the WooCommerce Custom Checkout extension. This extension allows you to create a custom checkout page template, and then add that template to any page on your site.
The Checkout Page extension is the easier of the two methods, but it has some limitations. First, it only works with the default WooCommerce checkout fields.
If you have added any custom fields to your checkout, they will not be displayed on the page. Second, the extension does not allow you to customize the layout of the checkout form. If you want to change how the form looks, you will need to edit the code of the extension.
The Custom Checkout extension gives you more control over the layout of your checkout form, but it requires more work to set up. First, you need to create a custom checkout page template.
This can be done by copying the code from the default WooCommerce checkout template and then modifying it to suit your needs. Once you have created your template, you need to add it to any page on your site using a shortcode or a PHP function. Finally, you need to add some code to your functions.php file to tell WooCommerce where to find your custom template.
Conclusion:
Both methods have their advantages and disadvantages, so it really depends on your needs as to which one is best for you. If you need more control over the layout of your checkout form, then the Custom Checkout extension is probably a better choice. However, if you just need a quick and easy way to add a direct checkout page to your site, then the Checkout Page extension may be a better option.