Open Baidu and enter the serial number to search; In the serial number search, find the serial number name we want to download, right-click this serial number and select Search for the serial number name in Baidu. After opening the serial number in Baidu search, you can find the corresponding bt link. It is best to add a "magnetic link" after the serial number. After opening the bt link, we can go to the website to find the corresponding serial number name to enter.