Following the frequent update of Windows 10, it got continuous improvements on system stability. At the same time, high performance and relatively low hardware configuration requirement also makes the market share of Windows 10 keep rising. As a consequence, effective activation tools for Windows 10 are becoming more and more popular. One of the most active ones is Ratiborus' KMS Tools.

HEU KMS Activator is a lightweight and universal KMS-based activator, developed for Microsoft Windows (XP/Vista/7/8/8.1/10/11/Server) & Office (2010/2013/2016/2019/2021) all VOL editions. It works without need of Internet connection, and no .NET Framework or other system components installation required, just activates your Windows/Office with one-click!