Can urban skyline assets be used offline?

City skyline assets cannot be used offline, and games can only be used if they are activated online. The activation method is as follows:

Operating equipment: Dell laptop

Operating system: win 10

Operating procedure: city horizon

Step 1: This product is the activation code of the steam game CDK. If you have registered a Steam account, you can use CDK activation to download directly and start the game.

Step 2: Click "Next" in the pop-up page and "agree" to the relevant agreement.

Step 3, enter your purchase in the pop-up page dialog box? Game activation code, click "Next" to complete the activation.