Para los que esten en el newsletter de Paradox.
"The offer is valid between 21st April 23.59 CET and 26th April 23.59 CET. If you have signed up to the newsletter before, you are covered. Please wait up to 36 hours for DLC to appear in your Steam library."
Own a base game of Cities: Skylines on Steam.
Create a Paradox Account (accounts.paradoxplaza.com).
In the Settings tab, sign up for Paradox newsletter.
Verify your email (remember to check your spam and promotion folders on your mailbox).
Back on your Paradox account Settings, sign up for Cities: Skylines newsletter.
Link your Paradox and Steam accounts on the Settings tab.
Set your Steam account to “Public” so our team can confirm you own the base game. You can reset your Steam profile to private after you’ve received the giveaway.
Wait up to 36 hours for DLC to appear in your Steam library.