It is strongly advised to obtain a license key through the official channels only .
. The only official and safe way to obtain a key is through the developer's site, magicutilities.net for using a Magic Mouse on Windows? Frequently asked questions - Magic Utilities magic mouse utilities license key link
I can then recommend the specific, legitimate software that fits your needs. It is strongly advised to obtain a license
After receiving your license key via email: magic mouse utilities license key link
The license is portable, meaning you can use the same mouse on any compatible Windows PC with that license.
Why license keys matter