GTX660 Locked FPS in the game STALKER GOG

The problem is that the licensed versions of Stalker from GOG is locked to 144 fps. What command or script you can unlock the fps?
Mat.Board: Asus P8Z77-V PRO
+CPU: Intel core i5 3570k
+RAM: Kingston HuperX Blue 16Gb/1600MHz
+CPU cooling: Zalman CNPS5X Performa
+Video card: Nvidia GeForce GTX660 Asus CU2 Derict
+Hard drive: HDD Seagate Barracuda 3Tb Black
+Power supply: OCZ Fatal1ty 750W
+Sound card: Asus ROG xonar phoebus
+OC: Windows 10 1703
Pirate Repack fps unlocked how to do it in the license?
Digging the Internet and except for a few simple commands, not what is not found.
Any ideas?
Everything is configured and installed so do not write about heresy reinstall the game, driver, system, and other nonsense! Here you can either console to give the command or Config file to create and how to do it I forgot.