Here are some easy ways to find your product key for both Windows and Office. Find your product key. Try to remember how you purchased your Microsoft software, which determines where you need to. Dec 18, 2017 Microsoft's Windows 10 is a solid OS, but that doesn't mean everyone is happy with it. This guide will walk you through the process of uninstalling Windows 10 and the issues to watch out for when. Here is a step by step manual how to delete a key from Windows Registry: STEP 1: Run a “Registry Editor” console. Press Win+R, type in: regedit.exe and press OK. STEP 2: Open a Find dialog to find your key. STEP 3: Select your key. STEP 4: Delete your registry key. Right-click on key’s name and choose Delete.

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A Windows product key is a 25-character code used to activate Windows. It looks like this:

1. Before you sell or recycle an old computer, you might want to take your Windows license and use it on a different PC. The How-To Geek offers instructions for uninstalling your product key.
2. Dec 20, 2019 Mark Hachman / IDG. Run Netplwiz from the Start menu. First, click the Windows 10 Start menu and type netplwiz into the Search bar and select the same-named program from the results.

PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

Locate your product key for Windows 10

Depending on how you got your copy of Windows 10, you'll need either a 25-character product key or a digital license to activate it. A digital license (called a digital entitlement in Windows 10, Version 1511) is a method of activation in Windows 10 that doesn't require you to enter a product key. Without one of these, you won't be able to activate your device.

Where to find your product key depends on how you got your copy of Windows.

Select any of the following to see more information:

A new PC running Windows

The product key is preinstalled on your PC, included with the packaging the PC came in, or included on the Certificate of Authenticity (COA) attached to the PC. For more info, contact your hardware manufacturer, and for pictures of authentic product keys and COA labels, see How to tell your hardware is genuine.

A copy of Windows 10 from an authorized retailer

The product key is on a label or card inside the box that Windows came in. For more info, contact the retailer that sold you Windows 10. How to tell your software is genuine.

A digital copy of Windows 10 from an authorized retailer

Find your product key in the confirmation email you received after buying Windows 10 or in a digital locker accessible through the retailer’s website.

A digital copy from a Microsoft website

The product key is in the confirmation email you received after buying your digital copy of Windows. Microsoft only keeps a record of product keys if you purchased from the Microsoft online store. You can find out if you purchased from Microsoft in your Microsoft account Order history.

Free upgrade to Windows 10

If you upgraded to Windows 10 for free from Windows 7 or Windows 8.1, you should have a digital license instead of a product key.

Windows 10 Store App

If you bought Windows 10 Home, Professional, or Upgrade to Pro in the Windows 10 Store app, you'll receive a digital license instead of a product key. You can use the digital license for activation.

If your product key is scratched, blurred, or otherwise unusable, contact the retailer who sold you the product. If you aren't able to get help from your retailer or have already tried and couldn't get a working key, call Microsoft Support.

For more information about digital licenses and product keys in Windows 10, see the “Methods of Activation” section in Activate Windows 10.

Locate your product key for Windows 7 or Windows 8.1

A product key is usually required when uninstalling or reinstalling Windows 7 or Windows 8.1. Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is genuine, see How to tell your software is genuine and How to tell your hardware is genuine.

Windows authenticity

For info about how to tell if your copy of Windows is genuine Microsoft software, see the How to tell page.

Windows download and installation

For more Windows 10 download info, see Download Windows 10.

If you need installation media to install or reinstall Windows, see Create installation media for Windows to learn how to create your own installation media using either a USB flash drive or a DVD.

Windows activation

If you need more help with activation, see Activate Windows 10.

If you're getting an activation error, seeGet help with Windows activation errors.

If you’re reinstalling Windows 10, you might not need a Windows product key. See Activation in Windows 10 for more info.

If you're reinstalling Windows 10 due to a motherboard problem or some other hardware issue, see Reactivating Windows 10 after a hardware change.

Other product keys

If you're looking for product keys for Office, apps, games, and more, see Find your Microsoft downloads and product keys

Before you can use a Multiple Activation Key (MAK), retail, or KMS Host key (CSVLK) product key, you must first add it to the Volume Activation Management Tool (VAMT) database.

To Add a Product Key

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1. Open VAMT.

2. In the left-side pane, right-click the Product Keys node to open the Actions menu.

3. Click Add product keys to open the Add Product Keys dialog box.

4. In the Add Product Keys dialog box, select from one of the following methods to add product keys:

   • To add product keys manually, click Enter product key(s) separated by line breaks, enter one or more product keys separated by line breaks, and click Add Key(s).
   • To import a Comma Separated Values (CSV) file containing a list of product keys, click Select a product key file to import, browse to the file location, click Open to import the file, and then click Add Key(s).

   Note If you are activating a large number of products with a MAK, you should refresh the activation count of the MAK, to ensure that the MAK can support the required number of activations. In the product key list in the center pane, select the MAK and click Refresh product key data online in the right-side pane to contact Microsoft and retrieve the number of remaining activations for the MAK. This step requires Internet access. You can only retrieve the remaining activation count for MAKs.

Remove a Product Key

Windows Xp Product Key

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• To remove a product key from the list, simply select the key in the list and click Delete on the Selected Items menu in the right-side pane. Click Yes to confirm deletion of the product key. Removing a product key from the VAMT database will not affect the activation state of any products or computers on the network.

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