If you have a legitimate copy, activation is usually handled through the StarForce system :
To get (Горячие скалы 2) running, it is important to know that while the original physical game required a serial number for activation, there are modern ways to access the simulator content. Official Activation & Downloads goriachie skaly 2 kliuch skachat
: The planes from the original Hot Rocks series (Su-27, F-15C, Mig-29, etc.) are now part of the Flaming Cliffs modules within DCS World. If you have a legitimate copy, activation is
: Found on the sticker inside the original game box. If you have a legitimate copy
Since Flaming Cliffs 2 is an older standalone simulator released in 2010, many players have moved to the current platform.