1. Launch a command window with elevated privileges. ◦Type cmd in the search bar to locate the command window. ◦Right click on cmd and click Run as administrator from the context menu, or select cmd and hit CTRL-SHIFT-ENTER on the keyboard. ◦Click Yes at the User Account Control prompt to open the command window with elevated privileges.
2. At the command prompt, type
cd \Program Files\Microsoft Office\Office14\
◦If running 32 bit Office 2010 on 64 bit Windows, type
cd \Program Files (x86)\Microsoft Office\Office14\
3. Run this command to manually specify the KMS activation server.
cscript ospp.vbs /sethst:dc2012a.samigoncu.com
4. Run this command to activate Office with the KMS server:
cscript ospp.vbs /act