The game developers occasionally offer free license keys through official promotions. Keep an eye on the game's social media channels, website, and blog for announcements about free license key giveaways. You can also sign up for the game's newsletter to stay informed about upcoming promotions.
The free trial version of Construction Simulator has some limitations, such as restricted access to certain features and maps. However, you can still play the game for free and try to progress without a license key. Keep in mind that your progress may not be saved if you decide to purchase a license key later.
Keep an eye on gaming websites, forums, and social media channels for discounts and coupon codes that can help you obtain a Construction Simulator license key at a reduced price. You can also sign up for the game's newsletter or follow the game's social media accounts to receive exclusive offers.