Hi Khanh,
I just tried and able to download the file.
Could you confirm what error you are getting when try to download the file. Share the screenshot of the error.
Regards,
Syamantak Omer
Syamantak Omer | Community moderator | Staff TSE | CWNA | CCNA | RASZA | RICXI | Follow me at https://linkedin.com/in/syamantak-omer-5949b6124