Manufacturers want you to install their specific drivers: Logitech G Hub, Razer Synapse, Corsair iCUE, or SteelSeries GG. But what happens when you don't want 500MB of RGB bloatware just to change your cursor speed? What happens when your mouse has no brand, or the OEM software is no longer supported?
Before you download anything, realize you might not need software at all. Many "gamer" branded mice have a hidden hardware DPI switch. universal mouse dpi software
Reboot.
Ask yourself these three questions: