Some features (like drag-and-drop files) require the license to be active on all machines in the network.

Yes, is 100% free for personal, non-commercial use where you are managing two displays or less. You do not need a license key to use the basic features at home.

: You will receive the key via email. Copy the entire string to your clipboard. : Click the ShareMouse tray icon, select "Register for professional use,"

But then, the popup appeared: the trial had ended. The seamless bridge vanished, and his mouse hit the edge of his Mac screen like a brick wall.

Because this is a recurring cost (though often a perpetual license), many users feel entitled to get it for free. They search forums, Reddit, torrent sites, and YouTube videos hoping to find a or a keygen.

No. Licenses are perpetual for the major version you purchased (e.g., v6.x). Upgrading to a new major version (v7.x) requires a discounted upgrade fee. This is clearly stated in their terms.

: Click the ShareMouse icon in your system tray (Windows) or menu bar (Mac).