Click Update & Security, and then Activation in the left sidebar.

Press the Windows key + I to open the Settings app.

As long as you connect to the internet at some point later, you won't be asked for it again. If you have a digital license, when Windows asks you for the product key, click Do this later to skip the step. Even better, it's built into the OS - this means that if you need to reinstall or upgrade Windows, you won't need to enter it. This digital license serves all the same purposes as the product key. But if you got Windows 10 by upgrading from Windows 7 or 8.1, or by buying it through the Windows Store app, you also have a 'digital license.' digital licenseĮvery PC has a product key. Here's how to find your product key - as well as see if you have a digital license. Note: You can still use Windows without the key, but it'll have some annoying DRM features. Same goes for major updates, like upgrading from Windows 10 to Windows 11. If you ever need to reinstall Windows, you might need to enter it.

Your product key is important for a few reasons. Every Windows computer has its own unique 25-character product key, and it's formatted like this: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Your Windows 10 product key is a special receipt that shows you have an 'activated' copy of Windows.

But without a receipt, how do you prove that you actually own Windows? Windows 10 is installed thousands of times a day on computers both new and old.

You might need to provide your product key when upgrading Windows or troubleshooting.

You can find your Windows 10 product key through the Command Prompt, or by checking the packaging.

Your Windows 10 product key serves as proof that you actually own Windows 10.

Windows 10 activator serial key