The script is available for download in Microsoft Script Browser for Windows PowerShell ISE. You need to install the Script Browser application first, and search for the script sample title.
This script sample shows how to input or change Office 2013 product key Windows 8.
Sometimes due to some error, people cannot input or change their Office product key. This script can solve this problem.
You can find more All-In-One Script Framework script samples at https://aka.ms/onescriptingallery