UpdateShield is offered in different editions. See below for a comparison.

Single License allows a single person to use the product. The license provides up to 4 activations, which you may activate it on your desktop and laptop computers. A few extra activations are provided in case the license is accidentally lost.

Corporate License allows any number of people in a corporation to use the product. The license provides unlimited activations. You can activate the product on any computers owned by the corporation.