This situation may mean that by default the Operating System allows users to install applications only from the Mac App Store or identified developers. To change these settings:

1. Open the System Preferences. This can be done by either clicking on the System Preferences icon in the Dock or by going to Apple Menu -> System Preferences.
2. Open the Security & Privacy pane by clicking Security & Privacy.
3. Make sure that the General section of the Security & Privacy pane is selected. Click the icon of the lock in the bottom left corner of the panel.
4. Enter your username and password into the prompt that appears and click Unlock.
5. Under the section labeled Allow applications downloaded from: select Anywhere. On the prompt that appears, click Allow From Anywhere.
6. Exit System Preferences by clicking the red button in the upper left of the window. You should now be able to install applications downloaded from the Internet.

You can consult the picture below to take a look at the window with the settings that you need to open.



After you have done this, please, try to download and install the full version of the game on your computer once again using the same link.

If the problem remains, please submit a request to our Support Team and we will respond to you promptly.