To create an online store based on the WooCommerce platform, follow these steps:

1. Buying a Domain and Hosting: The first step is to buy a domain and hosting to create your website. There are many hosting options available that offer support for WooCommerce.

2. Install WordPress and WooCommerce: The next step is to install WordPress and WooCommerce. WordPress is the free CMS platform that WooCommerce is based on.

3. WooCommerce Setup: Once you have installed WooCommerce, you will need to go through the setup process where you will set up basic options such as store location, currencies, payment methods and shipping.

4. Add Products: Once you have set up WooCommerce and WordPress, you can add your products to your store. You can do this manually by adding individual products, or by importing them from a CSV file.

5. Choose a theme and add-ons: To give your store the look and feel you want, choose the right WordPress theme and WooCommerce add-ons that suit your needs.

6. Set up payment and shipping methods: Next, set up the payment and shipping methods that will be available to your customers. You can choose from a variety of options, such as PayPal, bank transfer, cash on delivery, and various shipping methods.

7. Test and launch your store: Before launching your store, you should thoroughly test its functionality and make sure that everything works as expected. Once testing is complete, you can launch your store and start selling.

I hope these tips will help you create an online store based on the WooCommerce platform. Good luck!