However, the base version which grabs your Windows product key is a totally free download. The company behind it makes a paid version that will also give you product keys from your system for tools such as Microsoft Office or Photoshop Elements. One of the easiest - and my favorite - way to find a Windows 10 or 11 product key is by using a free utility called Magical JellyBean KeyFinder.

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Method 1: Use Magical Jelly Bean KeyFinder to Find Windows 10 / 11 Product Keys Fortunately, there are several ways to find your Windows 10 or 11 product key and they're all easy.

But unless you bought a copy of the OS at retail and have it written down somewhere handy, you may not know the code.

As we've noted elsewhere, the best way to get Windows 10 or 11 for free is to reuse a Windows product key you have either on the current computer or another you own and aren't using anymore (note that 'OEM' keys may not let you reuse them on different hardware).

Free product key for windows 10 pro