First of all, you have to join a Provider for each COR address where you want to get daily coin release.
Daily coin release happens automatically, though you have to claim it manually.
Use: Wallet / Provider → inquire avaliable release, click on it to claim your release. The daily coin release is stored, so do not worry if you forget to claim it for a while, you can do it later. However it is highly recommended to claim the collected and stored coins at least once a week.