Dear Rickey_Chien,
Please contact your local distributor so that they will be able to guide you depending on your project. Indeed, the support for mass market has been restricted, which explains why the documentation has been retrieved from the website.
If you have already started your project based on STWLC38, you can also open a case on st.com (https://www.st.com/content/st_com/en/support/support-home.html#), you ticket should be re-directed to the support team.
In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.
