Microsoft Office 2013 is Microsoft's next-generation office office software that fully uses the Metro interface, including word, PowerPoint, Excel, Outlook, OneNote, Access, publisher, and Lync.
Make sure that the Microsoft Office 2013 that you installed is a volume Licensing edition.
If not please search in Baidu "Office2013 Volume Licensing download" to download.
Download Microsoft Toolkit 2.5. Please search for "Microsoft Toolkit 2.5 download" in Baidu for download.
Unzip Microsoft Toolkit 2.5, right-click Microsoft Toolkit.exe, and in the pop-up menu, select Run as Administrator.
In the dialog box, click the button that is identified as winning.
Select the Activation page, click Install, and then click Ez-activator. You're done.
Microsoft Office 2013 Activation method