To get the latest version of SignTool, follow these steps to download the official Windows SDK : SignTool - Win32 apps - Microsoft Learn

Because SignTool is not a standalone download, you must obtain it as part of the or through Visual Studio . 1. How to Download SignTool

The utility is a critical command-line tool used by developers to digitally sign files, verify signatures, and timestamp applications. It ensures the authenticity and integrity of executables, DLLs, and installer packages.