If you try and navigate to the purchase webpage for Windows 10 Home or Windows 10 Pro, you will be redirected to the "Get Windows 11" page. There, you'll find that there is only a single license ...

When you buy a copy of Windows 11/10 ... or to Windows 11 from Windows 10, a digital license activates the copy of Windows instead of a product key. These digital keys are linked to your Microsoft ...

Even though the OEM or retail license key is tied to your device's hardware, you can easily find your Windows 10 or 11 ...