How to Find Your Microsoft Product or License Key

How to Find Your Microsoft Product or License Key

Have you lost or unable to find CD keys of your Microsoft products like Communicator, Microsoft Plus!, Picture It!, SourceSafe, Windows Defender etc

If so, this article will help you to quickly find your Microsoft license key using multiple methods.

Find Microsoft License Key in Order Email

Often you can find most of your softwares license key in the order email.

Follow the steps below to search for Microsoft key in your email,

  • Step 1. Login to your email inbox (used for ordering software)
  • Step 2. Search for emails having “Microsoft license” or “Microsoft activation”
  • Step 3. Now check in each found email to see if it has license key of your Microsoft software

Find Microsoft Product Key in Registry

Another way is to look for license keys in Windows Registry. Like most softwares, Microsoft also stores activation key and other registration details in Registry.

Below is the Registry location where you can find Microsoft software activation key

[Windows 32-bit]

[Windows 64-bit]

Here are simple steps to locate your Microsoft serial key in Registry,

  • Step 1. Open Registry Editor (start menu -> search -> type regedit)
  • Step 2. After it opens, on the left side navigate to above Registry key location.
  • Step 3. Next, on the right side pane, you will find values named “PIDKEY“, “ProductID“,  “DigitalProductID” containing the encoded version of activation key.

Find Microsoft Product Key Automatically

If you don’t want to go through trouble of finding your Microsoft license key manually every time then here is easy way.

You can use All-In-One Key Finder Pro software to find your Microsoft activation key easily with just a click of button.

Not just Microsoft product key, it can also help you to find serial keys of Windows, Office, Adobe and over 1000’s of popular softwares.

Below are the steps to recover your Microsoft license key,

  • Step 1. Download All-In-One Key Finder Pro (click here)
  • Step 2. Install the software by running Setup_AllInOneKeyFinderPro.exe
  • Step 3. Now launch the software and it will automatically find CD key of Microsoft and all other popular softwares as shown below,
It can also recover your lost license keys directly from hard disk of non-bootable PC or directly from another computer in your network.

Download All-In-One Key Finder Pro

Free Download

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Hope this article has helped you to find your lost Microsoft product key.
Please comment below if you have any queries or share your experience.



  1. it does so much more.

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