What is Windows Loader? Win Loader is a tool designed to activate many Microsoft products without using genuine licenses. It may look illegal to most of people but this is a security hole in their operating system that they didn’t pay much attention to. We take the advantage of it to activate their products for free. How It Actually Works? When you click the activate button, first it tries to connect to one of the KMS servers available. KMS stands for Key Management Service which is used in Windows operating systems since 2006 to perform windows and office product activation tasks. There are hundreds of KMS servers available from various software publishers around the world. After it successfully established a connection with a KMS server, it downloads the necessary token files (.tc files) it needs to activate the specific Microsoft product. It can be Office 2013, Windows 7, Office 365 or anything. It doesn’t matter what product you are going to activate wi