We emphatically recommend waiting to install the software until after attending the demo.
Attendance is mandatory.
At the demo session, you will need to register for the course. Lectures will now be held in Hollister 110. You'll save a lot of time thinking before hacking. Several people asked me after class about 211 vs. 212. I am informed by the undergrad program director that anyone who has not taken 211 and who does not plan to take 410 this summer falls under the new curriculum and must take 211 before 212.