1. Computing

Operating System Product Keys and CD Keys

Every Microsoft Windows version requires a unique product key (serial number, CD key, etc.) to be entered during installation. If you've lost your product key, reinstalling Windows may be impossible. Use these guides to find your lost product key.

How Do I Change My Windows Product Key?
Links to operating system specific instructions on how to change the Windows product key.

Change the Windows 7 Product Key
A tutorial on how to change the product key used in your current Windows 7 installation.

Will a Windows 7 Keygen Program Find My Windows 7 Product Key?
Information on using keygens, or key generator programs, to generate a Windows 7 product key.

Where Can I Find The Windows 7 Serial Key?
How to locate the Windows 7 serial key, more often referred to as the product key.

Step by Step Guide To Changing the Windows XP Product Key
Change the Windows XP product key using this screenshot tutorial. Easily change the XP key by making changes in the Windows Registry.

Find the Windows 7 Product Key Code
How to retrieve your original Windows 7 product key from the registry.

Windows Product Keys FAQ
Answers to questions I regularly get regarding Windows product keys.

How To Request a New Windows Product Key
The steps to take to request a new Windows product key from Microsoft if you've lost or can't read the one you have.

Are Free Product Keys Available for Microsoft Windows?
Several websites list product keys for operating systems like Windows Vista, Windows XP, Windows 2000 and more. The CD keys these websites provide are either created by a product key generator program or are product keys from valid copies of Windows.

How Do I Find My Windows XP Home Product Key?
The Windows XP Home CD key for your XP Pro installation is easy to find with a key finder program. Find your Windows XP Home CD key easily with these steps.

How Do I Find My Windows XP Professional Product Key?
The Windows XP Professional CD key for your XP Pro installation is easy to find with a key finder program. Find your Windows XP Professional CD key easily with these steps.

Is There A Way To Find A Lost Windows Product Key Or CD Key?
Losing your Windows product key (CD key) can really put you in a bind. You need the product key that came with your operating system before you can reinstall it.

Will a Windows XP Pro Keygen Program Find My XP Professional Product Key?
A Windows XP Pro keygen can be veryuseful if you're looking for a CD key to install XP Pro. XP Pro keygen programs find unique product keys for Windows XP Professional.

Change the Windows Vista Product Key
A tutorial on how to change the product key used in your current Windows Vista installation.

Change the Windows XP Product Key
A tutorial on how to change the product key used in your current Windows XP installation.

Find Product Keys for Windows Operating Systems
Instructions on extracting your lost Windows product key from the registry.

Find the Windows 2000 Product Key Code
The Windows 2000 product key code can be difficult to locate. You need your Windows 2000 key code to reinstall Windows 2000 so follow these simple steps to locate the key.

Find the Windows 95 Product Key Code
The Windows 95 product key code is easy to find in the Windows registry. You need your Windows 95 key code to reinstall Windows 95 so follow these simple steps to locate the key.

Find the Windows 98 Product Key Code
The Windows 98 product key code is easy to find in the Windows registry. You need your Windows 98 key code to reinstall Windows 98 so follow these simple steps to locate the key.

Find the Windows ME Product Key Code
The Windows Millennium Edition product key code is easy to find in the Windows registry. You need your Windows ME key code to reinstall Windows ME so follow these simple steps to locate the key.

Find the Windows NT 4 Product Key Code
The Windows NT product key code can be difficult to locate. You need your Windows NT key code to reinstall Windows NT so follow these simple steps to locate the key.

Find the Windows Server 2003 Product Key Code
The Windows Server 2003 product key code can be difficult to locate. You need your Windows Server 2003 key code to reinstall Windows Server 2003 so follow these simple steps to locate the key.

Find the Windows Server 2008 Product Key Code
The Windows Server 2008 product key code can be difficult to locate. You need your Windows Server 2008 key code to reinstall Windows Server 2008 so follow these simple steps to locate the key.

Find the Windows Vista Product Key Code
The Windows Vista product key code can be difficult to locate. You need your Windows Vista key code to reinstall Windows Vista so follow these simple steps to locate the key.

Find the Windows XP Product Key
How to locate the Windows XP product key if you've lost your hard copy of the CD key.

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