

KMS clients must be activated at least once every 180 days. Individual computers do not need to contact Microsoft, although the KMS server does.

KMS is used by volume license customers, usually medium to large businesses, schools, and non-profits. Activation ensures that the software is obtained from and licensed by Microsoft.

KMS is one of the legal methods to activate Microsoft Windows and Microsoft Office. when not activating Windows.Īdditionally, you might periodically get messages asking to activate your copy of Windows. When it comes to functionality, you won’t be able to personalize the desktop background, window title bar, taskbar, and Start color, change the theme, customize Start, taskbar, and lock screen etc. Installing Windows without a license is not illegal, activating it through other means without an officially purchased product key is illegal.
