How do you watch Starcraft 2 replays?

Answer 1

On the normal dawn of war engine

(Thats Winter assult,dawn of war,Dark crusade and soulstorm)

After you end the game and save replay go to skirmish then load there must be load replays just pick it

Answer 2

after you play a game, there shouldbe an option to save it as a replay, click it, then go to your replays section in the upper left hand corner (theres a camera-like symbol on the button) and theres your replay! Click it, and youll be able to watch it.