You found an "Index of /kms_office2016_updated" page. You see three files: KMS_Activator_Updated.exe , Readme.txt , and Crack.zip . Your instinct is to download the largest .exe . Here is what security researchers at firms like Kaspersky, Malwarebytes, and Microsoft Security Intelligence have found inside these files.
While there is no single "official" index of KMS activators, several reputable repositories and official Microsoft tools provide updated methods for activating via Key Management Service (KMS). 1. Official Microsoft Activation Tools index of kms activator office 2016 updated
A successful activation changes the status in File > Account within any Office app to "Product Activated." The Risks: Why You Should Be Cautious You found an "Index of /kms_office2016_updated" page