WooCommerce is a popular e-commerce platform that allows you to sell products online. One of the key features of WooCommerce is the ability to create custom product options for your products. Here’s how you can set up custom product options in WooCommerce:

1. Install and activate the WooCommerce plugin on your WordPress website.

2. Create or edit a product in WooCommerce. You can do this by going to “Products” in your WordPress dashboard and clicking on “Add New” or editing an existing product.

3. Scroll down to the “Product Data” section and select the “Variable product” option.

4. Click on the “Attributes” tab, and here you can create the custom options for your product. For example, if you are selling t-shirts, you can create options like “Size” or “Color”. Enter the attribute name in the “Name” field and add values for the attribute in the “Value(s)” field, separated by a pipe character (|).

5. Click on the “Variations” tab, and here you can create specific variations of your product with different options. For example, if you have a t-shirt in multiple sizes and colors, you can create a variation for each combination of size and color.

6. Enter the specific SKU, stock status, price, and other details for each variation.

7. Save/update the product.

Now, when a customer visits your product page, they will see a dropdown menu or checkboxes to select the custom options you created. The price and other details will automatically update based on the selected options.

You can also customize the appearance of the custom options using CSS or a WooCommerce plugin that offers additional styling options. Additionally, there are several WooCommerce extensions available that can enhance the custom product options functionality, such as allowing for conditional logic or displaying images for each option.

Overall, setting up custom product options in WooCommerce allows you to offer more choices to your customers and tailor the product to their preferences, enhancing the shopping experience and increasing your sales.