First, download the files after the download is complete a file name suffix is found in the bin and then find Baidu check this is what the file extension
Look at the title and then open (found in the tutorial) software routerpassview
Then open the file
Search username user name and password to upload flag {username}
https://wenku.baidu.com/view/29f97d0ebd64783e09122b87.html software information