The search for "KMSPico Original" is a gamble. You are essentially downloading a file from an unverified source, hoping that a tool designed to break the law doesn't also break your computer.
: Using KMS Pico to activate software without a valid license is a direct violation of Microsoft’s Terms of Service and constitutes software piracy under international copyright laws.
Finding the "original" or "official" version is extremely difficult. The Original is Old
Essentially, it creates a local server on your machine, sends an activation request to itself, and validates your copy of Windows or Office.