Windows Key Viewer

Windows Key Viewer is a lightweight application that can come in handy when you're trying to view your Windows' product key and can't remember or don't know how to access this piece of information.

Portable tool

Since it's a portable application, you don't need to install it on your computer, as simply launching the executable grants you total access to its controls.
More so, you can run it from removable storage media such as USB flash drives or external HDDs. It won't tamper with any of your Windows registry entries, nor will it create any additional files or folders on your computer.

Simplistic interface

This program boasts a plain, minimalistic interface that's based on the what-you-see-is-what-you-get principle, meaning that there's no hidden menus, windows, buttons or pane whatsoever.
Thanks to its overall simplicity and high accessibility, many users, regardless of their PC skills and previous experience with similar software, will be able to benefit from its capabilities effortlessly.

Retrieve your Windows' product key

As you've probably figured out by looking at its name, Windows Key Viewer enables you to access your Windows' product key, in case you've misplaced it or don't know where to locate it on your PC.
You don't need to perform any special operations for this to happen. As soon as you launch the app, the key is displayed right on the app's main screen. From that point, you can either transcribe it on a piece of paper, copy it to your clipboard if you need it right away or send it to your email address by choosing the dedicated option and typing your email address in the designated field.

Lightweight Windows product key viewer

All in all, if you're looking for a quick way to access your Windows product key, you might consider giving Windows Key Viewer a try, as it is simple, takes no toll on your PC's resources and can be run even from removable storage media.