Ron B mis-identified your bundle as the plus version. The message clearly states it is "only" Office 2019 Professional. So that is good for you. . The message also identifies the problem and solution.. The one-time payment license type allows install on only 1 computer at a time.
Section 2a confirms that only one copy of the software can be used on a computer at any time. “2. Installation and Use Rights. a. License. The software is licensed, not sold. Under this agreement, we grant you the right to install (if you acquired the software from a retailer) and run one instance of the software on your device (the licensed Open Command Prompt with administrative privileges and follow the steps below. On 32-bit computers, type or paste cd c:\Program Files (x86)\Microsoft Office\Office15\ in the terminal and press Enter. If Office 2013 is installed on a 64-bit PC, type or paste cd c:\Program Files\Microsoft Office\Office15\ and press Enter. Step 1: Launch it after successful installation on the computer, and then click on Start Recovery button. Step 2: Voila! The product key of all installed softwares including Microsoft Office 2010 are displayed on the interface. Tip: Software Key Finder is a powerful tool for finding the lost product keys of almost all kinds of software back. Cua4q.