Product activation for Windows – online & support telephone numbers

Windows 7 Windows 8.1 Windows 10 Windows 11 More...Less

Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than thở the Microsoft Software License Terms allow. There are three methods to tướng which you can activate your product: Online via the mạng internet, by telephone using our automated systems, and by a live tư vấn advocate.

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Online: When you begin activation, Windows will try to tướng use your mạng internet connection to tướng activate online. If you have problems activating online or don't have an mạng internet connection, you can activate by phone. Follow the “Activate using an Internet Connection” method below to tướng attempt via the mạng internet.

Automated System & Live Support Advocate: To get the telephone number for activation tư vấn, follow the “Activate by Phone” method below. You will get the option to tướng activate your device over the phone. Please attempt to tướng activate using this method and if you're not able to tướng complete activation successfully, you will be connected to tướng Microsoft tư vấn for your region and country.

To activate Windows 11 using an mạng internet connection:

As Windows 11 will automatically activate if you are connected to tướng the mạng internet, you can confirm your activation status by selecting Start > Settings > System > Activation and looking under Windows.

If online activation fails, first try the activation troubleshooting in Activate Windows.

To activate Windows 11 by phone:

Select Start > Settings > System > Activation.
Under Activate Windows Now section, select Activate by Phone.

To activate Windows 10 using an mạng internet connection:

As Windows 10 will automatically activate if you are connected to tướng the mạng internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.

If online activation fails, first try the activation troubleshooting in Activate Windows 10.

To activate Windows 10 by phone:

Select Start > Settings > Update & Security > Activation.
Under Activate Windows Now section, select Activate by Phone.
Select your location (or the location nearest to tướng you) from the drop-down list, and then select Next.
Call one of the available phone numbers listed. An automated system will guide you through the activation process.
If you're not able to tướng complete activation successfully, you will be connected to tướng Microsoft tư vấn for your region and country.

Or, if you tự not have the Activate by Phone option:

Press Windows logo key + R, type slui 4 in the Open box, and select OK.
Select your location (or the location nearest to tướng you) from the drop-down list, and then select Next.
Call one of the available phone numbers listed. An automated system will guide you through the activation process.
If you're not able to tướng complete activation successfully, you will be connected to tướng Microsoft tư vấn for your region and country.

Support for Windows 8.1 has ended

Support for Windows 8.1 ended on January 10, 2023. We recommend you move to tướng a Windows 11 PC to tướng continue to tướng receive security updates from Microsoft.

Learn more

When you begin activation, Windows will try to tướng use your mạng internet connection to tướng activate online. If you have problems activating online or don't have an mạng internet connection, you can activate by phone.

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To activate Windows 8.1 using an mạng internet connection:

Select the Start button , type PC settings, and then select PC settings from the list of results.
Choose Activate Windows.
Enter your Windows 8.1 product key, select Next, and follow the instructions.

To activate Windows 8.1 by phone:

Select the Start button , enter PC settings, and then select PC settings from the list of results.
Select Activate Windows, and then select Contact customer support for help. You may be asked for an admin password or to tướng confirm your choice.
Select your location (or the location nearest to tướng you) from the drop-down list, and then select Next.
Call one of the available phone numbers listed. An automated system will guide you through the activation process.

If you're experiencing activation issues, see Why can't I activate Windows and Get help with Windows activation errors.

Support for Windows 7 ended on January 14, 2020

We recommend you move to tướng a Windows 11 PC to tướng continue to tướng receive security updates from Microsoft.

Learn more

To activate Windows 7 using an mạng internet connection:

Select the Start button , right-click Computer, select Properties, and then select Activate Windows now.
If Windows detects an mạng internet connection, select Activate Windows online now. You might be asked for an admin password or to tướng confirm your choice.
Enter your Windows 7 product key when prompted, select Next, and then follow the instructions.

To activate Windows 7 by phone:

Select the Start button , right-click Computer, select Properties, and then select Activate Windows now.
Choose Show bu other ways to tướng activate.
Enter your Windows 7 product key, and then select Next.
Select Use the automated phone system. You may be asked for an admin password or to tướng confirm your choice.
Select your location (or the location nearest to tướng you) from the drop-down list, and then select Next.
Call one of the available phone numbers listed. An automated system will guide you through the activation process.