The related game is using an activation system and has an installation limit.
Q: What kind of activation system?
When you start the game after finishing the download and the installation for the first time, you will see a screen which tells you to write down your purchasing email. Write it down and press OK to start activation. You need to be connected to the internet during this process.
The game will start a moment after the activation has finished.
You won't see the activation screen anymore even if you restart the game, and you can play it without being connected to the internet.
Reactivation won't be needed if there is no special case.
Q: How do you limit the installation?
One email address can be used to activate the game on a maximum of 3 computers. The activated computer's id will be registered in our database.
You can install the same game 10 times on the same computer.
If you want to install the game on a fourth computer, you will need to have the formerly registered computer removed from our database.
To do this, please fill in the form here.
After you have activated the game on the fourth computer, you can't reactivate the game on the computer you've unregistered.
Q: I don't want to undergo the activation or installation limit.
Please use the Steam version.
You can also get a Steam Key to play on Steam if you've purchased the official site version. To get this, please fill in the form here.
The Steam version will be released weeks/ months after the official site release. You can buy the official site version first, and request a Steam Key later after it's released.
Q: What is Steam?
The largest game portal site.
You need to install the Steam client, and the game will be executed from it.
You can install the game many times from this client.
Different with the official site's version, the Steam version will have achievements, trading cards and more.
Please contact email@example.com if you have any other questions.