I want to move into UX. Which course should I take?

We offer a couple 4-week courses that could be a good place to start: 

UX Research & Strategy: http://trydesignlab.com/ux-design-course/
Interaction Design: http://trydesignlab.com/interaction-design-course/
 
If you are interested in switching careers, UX Academy is another option: http://trydesignlab.com/ux-academy/. Here are the prerequisites for UX Academy: https://help.trydesignlab.com/hc/en-us/articles/218228487-How-do-I-apply-to-UX-Academy-Are-there-any-prerequisites-for-the-program-.
 
Here's some information on the difference between the 4-week courses and UX Academy: https://help.trydesignlab.com/hc/en-us/articles/216992327-How-does-UX-Academy-compare-to-the-shorter-courses-on-Designlab-