Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Your screenshot did not appear on your question, there are a couple of on-going problems with the Office apps on an Apple Mac at the moment, if you seeing an 0x0 error in the Office apps and you are using the Office apps on an Apple Mac device, at the top left of your Desktop, click the Apple icon and select 'About this Mac', what version of MacOS is installed on your computer?