You can receive twitch drops item by linking your twitch account.
1. Start the Game
2. Go to Settings > Support and click the "connect to twitch" button
3. Log into your twitch account
4. Click "Authorize"
5. Double check your connection status on your Twitch account settings
6. Watch a stream channel that has ER Drops activated!
7. After watching, you can check that you received the drop.
8. Go back to the game and receive the drop by going to Store and click the "Drops" tab.