If a file promises to "un-lock" hundreds of dollars of software for free, are usually the product being sold. Are you trying to fix an activation error on a legal copy, or are you looking for a to set up a new build?

: The most straightforward way to activate Windows Office is by using a product key. This key is provided when you purchase a copy of Office from an authorized retailer or directly from Microsoft. You can enter this key during the installation process or after installation by going to File > Account > Activate Product.