iee! Download problems for Episode 4 on Steam!

Helloo yall!

Anybody else having trouble downloading episode 4 on steam? I bought the game when the first 3 episodes were out, and my game doesn't seem to provide the option on steam or in game on downloading the next episode. In game it still says coming soon! and whats worse somehow my saved game got erased! even though it has all my achievements unlocked will I have to start over again? I def won't start over if I don't have the 4th episode. Help definitely appreciated! :eek:
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