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Help Center
General Free Course Questions
General Free Course Questions
Login Issues
Course Resources
Donate
About DTS
Courses
General Free Course Questions
General questions about the Free Online Courses
Is a donation required to take a course?
How do I download my certificate?
Are the Free Courses accredited?
Do the course videos support closed captions or subtitles?
Can I get a link for a specific lesson?
Do I have to do the lessons on a schedule?