The specific steps are as follows:

1. Open the Pinduoduo merchant version application and click the login/register option in the upper right corner.

2. Click the option to open a store for 0 yuan.

3. Enter your mobile phone number and verification code, and click to settle in immediately.

4. After settling in, in the pop-up prompt, click the option to authenticate immediately and complete the authentication according to the requirements.

5. After the authentication is successful, click the icon for product management.

6. Click the option to create a product below, publish the product and you can sell things.