By default, Windows may limit USB mice to 125 Hz. This tool can unlock higher polling rates, reducing input lag and improving cursor smoothness—crucial for competitive gaming or precision design work.

This step does not work on all mice. If your mouse has onboard memory, adjust via its native software instead.

Instead of a system hack, you need the official software specific to your mouse brand. This is the only "download" that is guaranteed to "work" safely.