You should be able to activate your netID as soon as you have your admission letter listing your SUID number.
You will be able to login to MySlice as soon as you have activated your netID.
Computers and printers are available at Bird Library and the Schine Student Center (map). Both of these locations are just across the street from the Slutzker Center.
You should check-in at the Slutzker Center as soon as possible after your arrival in Syracuse. Office hours are Monday through Friday, 8:30am-5pm (except during the summer when the hours change to 8am-4:30pm)
Syracuse University expects that all international students will obtain and maintain health insurance coverage for the duration of their academic program. Adequate coverage in the US is very important. Even a short stay at a US hospital or emergency room can cost thousands of dollars.