To register for Shopee's pingpong payment account, you first need to download and install the pingpong application. Then, follow the steps provided by the application to register, including entering personal identity information, bank card information, and contact information. Identity verification is required during the registration process to ensure the security of the account.

After successful registration, you can use the pingpong account to receive and pay on Shopee. Note that you need to select the correct country and region when registering, otherwise you may be restricted.