You may need to contact the OEM ACER support for more detailed information.http://support.acer.com/us/en/default.aspx
Usually the 25 character product key is used to active Windows. You may need to purchase another key to active Office product.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. ”
Microsoft is conducting an online survey to understand your opinion of the Technet Web site. If you choose to participate, the online survey will be presented to you when you leave the Technet Web site.