Help Center
English
Español
中文 - 香港
Contact us
Español
中文 - 香港
General Free Course Questions
General Free Course Questions
Access the Courses
Course Resources
Donate
About DTS
Tracks Program
Logos
Back to home
Help Center
General Free Course Questions
General Free Course Questions
Access the Courses
Course Resources
Donate
About DTS
Tracks Program
Logos
General Free Course Questions
General questions about the Free Online Courses
I'm signed up. Now what?
Can I download the course videos?
Why did I get an email for a previous lesson?
I have two accounts. How do I fix that?
Accreditation and Continuing Education
Where can I find my certificates?
Can you mail my certificates to me?
Can I access the courses without internet?
Can I use these courses to teach others?