KMSAuto++ (AKA: KMSAuto Plus Plus) is a KMS-based activator used to activate Microsoft Windows and Office products, developed by Ratiborus from Russia. It can automatically install the KMS service to activate all versions of Windows/Office products (including Windows XP, Vista, 7, 8, 8.1, 10; Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019; and Office 2010/2013/2016/2019), but they must be the VL (Volume License) edition! For example, you can use KMSAuto++ to activate Office 2010 VL on Windows XP.

Online KMS Activation Script is a tiny command-line script application used to automatically and circularly activate VL edition of Windows & Office for 180 days with online KMS Servers. It was developed by WindowsAddict from nsane.forums.

KMSAuto Helper is a relatively new, offline KMS-based activation tool for Microsoft products, written by Ratiborus from Russia. It uses the working mode of virtual machine, truly achieves the purpose of local KMS (Key Management Service, Volume Licensing) activation, and supports both LAN and Internet activation. To a great extent, it has been regarded as a super convenient and effective Windows 10 activator by a lot of users around the world.