In the Activation Wizard, select "I want to activate the software by telephone."

An activation key is required to use the full features of Office 2013. Without an activation key, users can only use the software in a limited capacity, and some features may not be available. Activating Office 2013 using a valid activation key provides several benefits, including:

Call the number and provide the "Installation ID" displayed on your screen.

: It's worth noting that Office 2013, while still functional, is an older version of Microsoft Office. Microsoft has released newer versions, including Office 2016, Office 2019, and the subscription-based Office 365 (now known as Microsoft 365), which offer updated features and security improvements.