You can log in to the Shopee main account by following the steps below:

1. Open your web browser and enter the official website address of Shopee: www.shopee.com.

2. In the upper right corner of the website homepage, you will see a "Login" button. Click on that button.

3. This will take you to the login page. On the login page, you can choose to log in via mobile number, email or social media account.

4. Enter your login credentials, such as mobile number, email or social media account information, and fill in the corresponding verification code (if applicable).

5. Click the "Login" button to complete the login process.

Now, you should be able to successfully log in to your Shopee main account!