Unofficial versions frequently lose activation after Windows updates or lack critical security patches.

Cracking software violates Microsoft's End User License Agreement (EULA) . 2. How to Get a Genuine Version

Below is an overview of how to properly acquire and activate Office, along with the risks associated with "cracks." 1. The Reality of Office "Cracks"

For a legitimate experience, you can choose between a one-time purchase or a subscription: Newer Version of MS Office - Microsoft Q&A