If you are still being asked to purchase the episode in game, please try the following:

1. Restart your Steam client

2. Right click on `Life Is Strange` in games library and select Properties
Select the `DLC` tab and ensure that episode X is TICKED..
If it is ticked, click to untick, then click again to retick. This should cause the system to refresh and start the download

If this doesnt work please contact Square Enix Customer Services