Code Signing Best Practices
Download this Code Signing Best Practices guide to improve your software and supply chain security.
SignTool.exe is one of the most user-friendly Windows command-line tools. You can use it with a trusted code signing certificate to protect files, codes, and apps against tampering and prove your identity as a software publisher.
But where can you get SignTool.exe to download? And how do you install it? Our simple yet comprehensive tutorial will answer these questions and prepare you for signing in no time.
In a world with an ever-increasing demand for authenticity and security, code signing has become pivotal to all businesses, great and small.
Are you a Windows 11, 10, 8.1 or 7 user? SignTool works with all those versions, and so does this quick guide. Follow the steps below to get the tool you need to start signing your executables using a code signing certificate. Signing your code will reassure your users that it is authentic and secure, and hasn’t been modified since it was signed.
Don’t have a code signing certificate yet? No worries — you can get one quickly through CodeSigningStore.com.
The SignTool executable is embedded by default in the Windows software development kit (SDK), a set of tools developers use to build Windows applications.
Tip: Do not confuse Windows SDK with its brother Windows App SDK (i.e., a broad set of components, APIs, and extensions that can be utilized with Visual Studio 2019 and 2022. It also includes SignTool.exe). Although they’re complementary, they’re not the same. We’ll explain more their differences in the section on alternative ways to download SignTool later in the article.
To download the latest SDK stable release from the most used Microsoft official channel:
In this tutorial, we’re using the Windows 10 operating system. As such, we’ve selected the installer file as it’s the fastest installation option:
Alternatively, if you plan to use SignTool.exe predominantly with Visual Studio, you can download the SDK (and SignTool.exe) stable version directly from the Visual Studio Installer app. Just select the most recent Windows 11 SDK version listed in the Individual Components tab.
That’s it! You’ve now successfully downloaded and installed SignTool.exe onto your device.
Grab your trusted code signing certificate and start your code signing adventure with SignTool.exe.
Tip: Cybercriminals are clever little buggers who can sniff out potential vulnerabilities in your software and cryptographic assets from miles away. Don’t leave your certificate and keys unprotected. Discover our five golden rules to manage them securely.
Prove Your Software Is Trustworthy
Signing your code shows users that your software and updates can be trusted.
Download our free code signing best practices eBook to learn how to help keep your supply chain secure and your company, customers & end-users safe.
Are you an advanced user looking to preview and play with Windows SDK (and SignTool.exe) new features that haven’t been released to general Windows users? Keep on reading. We’ll tell you where to find them.
So, you’re an adventurous tech type (like me) who enjoys having a “sneak peek” at the latest technology, right? Great. Let’s briefly explore the official alternative SignTool download sources provided by the Windows Insider Program. That’s where you’ll find info on all Windows-related work-in-progress software.
For example, SignTool.exe is included in the BuildTools package inside the latest Windows Insider SDK.
Once you’ve registered, you can choose among four Windows Preview Channels:
Did you download and install SignTool.exe directly into Visual Studio? Windows App SDK, a complementary kit that also includes Windows SDK Signing Tools for Desktop Apps, offers a similar channel release program.
Fostering trust in applications, products, and brands is becoming increasingly challenging for any organization. Using SignTool.exe and code signing certificates are among the most efficient and reliable ways to prove your products’ authenticity and trustworthiness and help secure your customers’ software supply chains.
Now that you’ve installed SignTool.exe by downloading your favorite SDK release, it’s time to try code signing for your latest project. Get a third-party validated code signing certificate and use SignTool to leverage its power with a single script.
You don’t know how to use SignTool to sign your software? No fear. Don’t miss our next article. It’s an exhaustive guide about SignTool.exe that’ll teach everything you need to know about the universe of Microsoft SignTool code signing.