Counterfeit activations break Windows Update and Office’s update channels. You will remain vulnerable to exploits like CVE-2023-23397 (Microsoft Outlook privilege escalation) and other patched vulnerabilities.
The short answer is: However, to fully understand why, we need to break down what KMS is, how Office 365 activates instead, and where KMS still fits in the modern Microsoft ecosystem. microsoft office 365 kms
In the old days, activation was a simple affair. You bought a box, you typed in a 25-character code, and you were done. But in the enterprise world, with thousands of machines humming across the globe, typing codes was a relic of the past. They needed automation. They needed a heartbeat. to fully understand why
cscript slmgr.vbs /ipk <OfficeKMSHostKey> cscript slmgr.vbs /ato how Office 365 activates instead