To understand why "CD keys" are nearly extinct for this franchise, we must look at the game's history.
The 2020 version of Trackmania is available for free through a "Starter Access" tier on several official platforms: trackmania cd key free
Because it is a free-to-play title, you do not need a CD key. You simply add it to your library and play. 2. Ubisoft+ and Game Pass To understand why "CD keys" are nearly extinct
Go to the Ubisoft Store or Steam and download the Free Access version. trackmania cd key free
It is a high-quality, polished game that respects its free-to-play players, so there is no need to resort to shady key sites.