Download Signtool.exe Fixed May 2026

Once installed via the Windows SDK, signtool.exe isn't added to your system PATH by default. You can usually find it in a version-specific subdirectory:

The safest and most reliable way to get signtool.exe is through official Microsoft channels. It is included in the following packages: download signtool.exe

C:\Program Files (x86)\Windows Kits\10\bin\ \x64\signtool.exe Once installed via the Windows SDK, signtool

This usually means your certificate isn't in the correct store or the tool cannot find the PFX file at the path provided. Once installed via the Windows SDK

Once you have the tool, the basic syntax for signing an executable with a certificate (PFX file) is as follows:

If you are developing drivers, the WDK also includes the signing tool. 2. Locating the File After Installation