: Modern anti-cheats (like Vanguard or Ricochet) detect modified or unsigned drivers. A cracked version will likely trigger a permanent ban

: You can buy the full version for $19.99 at mouseacceleration.com or on Steam . Custom Curve on Steam

Many modern applications offer a "freemium" tier. While some advanced features might be locked, the base program is completely free and safe to use forever.

Then one morning, Marcus opened the program and found a new file on his recent projects list.

: Custom Curve requires a kernel driver to function. Unofficial repacks may include modified or unstable drivers that can cause system crashes (BSOD) or hardware conflicts.