It is a .bat file (batch script), which should be run as an administrator.
Updating graphics drivers (NVIDIA GeForce Experience or AMD Adrenalin). Using Windows "Game Mode". Download Program Learix FPS
You can find the Learix FPS tweak file on GitHub, specifically within user Batlez's repository . It is a
Learix boosts your in-game FPS and general computer performance in day-to-day tasks. This is the batch file from the tweakcentral. Download Program Learix FPS
The script is over two years old and may not be optimized for current Windows updates.