. Because he had originally registered his software, they were able to verify his identity and recover his original key from their database.

When you purchase ACDSee Pro 10, you are purchasing a license key. This alphanumeric code serves as your proof of purchase and unlocks the software from its trial state.

Typically, a standard license key allows for installation on two computers (often defined as one desktop and one laptop) for a single user. Attempting to use the same key across multiple machines beyond the End User License Agreement (EULA) limits can result in the key being blacklisted or deactivated by ACD Systems.