Product activation and key information

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Note: Not all Volume Licensing products require a key. If a product is not listed, no key is required.

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Windows 10 Enterprise
Windows 10 Professional
Volume License Key (if applicable)

Windows 10 Multiple Activation Key (MAK) and/or Windows 10 Key Management Service (KMS)

How do I get my key?

Keys can be obtained from VLSC or by calling the Activation Call Center. The KMS and MAK keys are assigned; they will enable you to activate both Windows 10 Professional and Windows 10 Enterprise.

I need more help. Where do I go?

Windows 7 Enterprise
Windows 7 Professional
Volume License Key (if applicable)

Windows 7 Multiple Activation Key (MAK) and/or Windows 7 Key Management Service (KMS)

How do I get my key?

Keys can be obtained from VLSC or by calling the Activation Call Center. The KMS key is assigned; it will enable you to activate both Windows 7 Professional and Windows 7 Enterprise. You must request a MAK key if you need one. The MAK key will enable you to activate both Windows 7 Professional and Windows 7 Enterprise.

Note: These keys and the product activation process are different from prior operating system versions. Please familiarize yourself before deploying Windows 7 in your organization.

I need more help. Where do I go?

Windows 8.1 Enterprise
Windows 8.1 Professional
Volume License Key (if applicable)

Windows 8.1 Multiple Activation Key (MAK) and/or Windows 8.1 Key Management Service (KMS)

How do I get my key?

Keys can be obtained from VLSC or by calling the Activation Call Center. The KMS and MAK keys are assigned; they will enable you to activate both Windows 8.1 Professional and Windows 8.1 Enterprise.

I need more help. Where do I go?

Windows Thin PC
Volume License Key (if applicable)

Windows Thin PC Multiple Activation Key (MAK)

How do I get my key?

MAK Keys can be obtained from the VLSC or by calling the Activation Call Center. This product is available only for Software Assurance customers. Please see the table in the Product Keys FAQ for more information on how MAK and KMS keys can be used and what products are enabled by using each of the keys.

Note: This product can also be activated if you have a KMS host setup that can activate Windows 7 Client.

I need more help. Where do I go?

Learn about Volume Activation for Windows and how to deploy by using MAK keys in your organization.

POSReady7
Volume License Key (if applicable)

POSReady7 Multiple Activation Key (MAK)

How do I get my key?

The MAK Key is printed on the media sleeve and is available only for Select and Enterprise Agreement (EA) customers. Please see the table in the Product Keys FAQ for more information on how MAK and KMS keys can be used and what products are enabled by using each of the keys.

The MAK Key can also be obtained from VLSC or by calling the Microsoft Activation Center.

Note: This product can also be activated if you have a KMS host setup that can activate Windows 7 Client.

I need more help. Where do I go?

Learn about Volume Activation for Windows and how to deploy by using MAK keys in your organization.

Windows Vista Business
Windows Vista Enterprise
Volume License Key (if applicable)

Windows Vista Multiple Activation Key ( MAK ) and/or Windows Vista Key Management Service ( KMS )

How do I get my key?

Keys can be obtained from VLSC or by calling the Activation Call Center. The KMS key is assigned; it will enable you to activate both Windows Vista Business and Windows Vista Enterprise. You must request a MAK key if you need one. The MAK key will enable you to activate both Windows Vista Business and Windows Vista Enterprise.

Note: These keys and the product activation process are different from prior operating system versions. Please familiarize yourself before deploying Windows Vista in your organization.

I need more help. Where do I go?

Windows Vista Ultimate
Volume License Key (if applicable)

Windows Vista Ultimate

How do I get my key?

After the Software Assurance benefit is activated, contact the Software Assurance Benefits Call Center to request Windows Vista Ultimate retail media and product keys.

I need more help. Where do I go?

Contact the Software Assurance Benefits Call Center

Microsoft Windows Fundamentals for Legacy PCs
Windows XP Professional
Volume License Key (if applicable)

Windows XP

How do I get my key?

Keys can be obtained from VLSC or by calling the Activation Call Center.

I need more help. Where do I go?

Please visit Microsoft Help and Support for a variety of product support options. For support related to product keys and activation, call your Microsoft Activation Center.

Windows XP Tablet PC Edition
Volume License Key (if applicable)

Windows XP Pro

How do I get my key?

Keys can be obtained from VLSC or by calling the Activation Call Center.

I need more help. Where do I go?

Please visit Microsoft Help and Support for a variety of product support options. For support related to product keys and activation, call your Microsoft Activation Center.

Windows XP Professional 64-Bit Edition
Volume License Key (if applicable)

Windows XP Professional 64-Bit

How do I get my key?

Keys can be obtained from VLSC or by calling the Activation Call Center.

I need more help. Where do I go?

Please visit Microsoft Help and Support for a variety of product support options. For support related to product keys and activation, call your Microsoft Activation Center.

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Related resources

Product key FAQ

Find answers to common questions about product keys and activation.

Product licensing FAQ

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Volume activation guidance

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