The free preview will be through cable TV channels, with Crave 1, HBO 1 and HBO 2 being unlocked.
From Friday, Jan. 11 (11 a.m. ET/MT) to Monday, Jan. 14 (11 a.m. ET/MT), three of Crave’s linear channels – Crave 1, HBO 1, HBO 2 – are being unlocked so audiences can enjoy uncut and commercial-free hit movies, award-winning HBO content, and a sampling of SHOWTIME hits. Free preview is available from “participating television providers across Canada including Bell, Bell Aliant, BellMTS, Cogeco, Eastlink, Rogers, Shaw, Shaw Direct, Telus, and others.”

I am with Rogers and I've been watching HBO all morning.