CCleaner is not the best system junk files and registry cleaning tool, but on balance it has not bad cleaning effect and less negative impacts to system stability. So it is a matter of course that CCleaner has become one of the must-have tools for PC users.

Image Resize Guide is a very powerful and easy to use intelligent image adjustment and object removal tool, its distinctive advantage is the intelligent "zoom", which is not a resolution scale, but the scale of content.

CutePDF Writer (formerly known as CutePDF Printer), after installed, it is equivalent to install a virtual printer driver (printer subsystem).

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!

Inno Setup is a free Windows Installer authoring tool, compact, easy-to-use and efficient are its biggest characteristics. It includes the script wizard, which will guide you to easily make an EXE installation file that supports uninstall.