Open the Windows and navigate to Programs and Features .
The local IT department configures a KMS host key on a central server.
: A subscription-based model that ensures you always have the latest, most secure version of Office.
If the software is unactivated, click or Activate Product Key . Enter your legitimate 25-character alphanumeric key.
While the idea of an "all-in-one" activator for Office 2010 is tempting, the software is unsupported and dangerous. Using such tools opens the door to a host of serious security, legal, and reliability problems.
Most " All-in-One " activators install a fake KMS host on your local computer. They then redirect Office’s activation traffic to 127.0.0.1 (your own PC). The fake server responds "Activated," granting you a 180-day license. A scheduled task runs in the background to re-arm this activation every 180 days automatically.