If you have a valid product key, select Change product key , and then enter the character product key. Note: Your product key should be in the confirmation email you received after buying Windows, included with the packaging that came with your device, or on the Certificate of Authenticity COA attached to the back or bottom of your device.
For more info on how to troubleshoot error code 0xF, see Fix Windows activation error 0xF You must use a valid product key to activate Windows.
Your product key should be in the confirmation email you received after buying Windows, included with the packaging that came with your device, or on the Certificate of Authenticity COA attached to the back or bottom of your device.
Select Change product key , and then enter the character product key. If you've made a major change to your device's hardware, such as a motherboard replacement, run the Windows Activation troubleshooter located on the activation settings page.
Note that you might be asked to go through the reactivation process. You entered a product key that can't be used to activate Windows. Enter a different product key or buy a new product key. You upgraded to Windows 11, but the activation servers were busy. If you upgraded from an activated copy of Windows 7 or Windows 8. If you continue to have problems with activation, contact customer support. You upgraded to Windows 11 using the free upgrade offer, but Windows 11 isn't activated after a reinstall.
Your copy of Windows 11 should automatically be activated as long as you didn't make any significant hardware changes to your device such as replacing the motherboard. Product keys are unique—assigned to a specific user to install on a single device.
If you bought a device from a reseller of Windows 11 and expected the key to be valid, contact the reseller. If your device was purchased with Windows 11 preinstalled and you received this activation error upon turning it on for the first time, contact your device manufacturer.
Check to see if you have a paper copy of your Windows character product key you can enter to activate Windows If your device was recently repaired at an independent repair facility, contact them to see if the repairs require a new Windows 11 license. You might see this error if you entered an invalid product key or a product key for a different version of Windows. Enter a valid product key that matches the version and edition of Windows 11 installed on your device.
If Windows is installed on a device that connects to a Key Management Service KMS server, contact your organization's support person for more info about how to activate Windows. You might see this error if you entered a product key for a different edition of Windows than the edition installed on your device. You might also see this error if you previously upgraded to Windows 11, but the current edition of Windows installed on your device doesn't match the edition of your digital license.
You can either enter a valid product key that matches the edition of Windows installed on your device or reinstall the edition of Windows 11 that matches your digital license.
If your device is running Windows 11 Version or later , the Activation troubleshooter can help you install the correct edition of Windows on your device. You might see this error if you entered a product key for a different version or edition of Windows.
For example, a product key for the Enterprise edition of Windows 11can't be used to activate Windows 11 Home or Windows 11 Core editions. Enter a product key that matches the version and edition of Windows installed on your device or buy a new copy of Windows from the Microsoft Store. You might see this error if you're not connected to the internet or your firewall settings are preventing Windows from completing the activation process online. Make sure that you're connected to the internet and your firewall isn't blocking Windows from activating.
If you're still having problems, try to activate Windows by phone. You might see this error if you try to activate a device that is already in the process of activation. Your device should be activated after the first request is completed. If the activation server is temporarily unavailable, your copy of Windows will automatically be activated when the service comes back online.
You might see this error if the product key has already been used on another device, or it's being used on more devices than the Microsoft Software License Terms allow. To fix the problem, buy a product key for each one of your devices to activate Windows on them. Select Go to Microsoft Store , then follow the instructions to buy Windows If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.
If you made a substantial hardware changes to your device such as replacing the motherboard and you have a valid product key, try to activate Windows by phone. For more info about reactivating Windows 11 Version or later after a hardware change, see Reactivating Windows after a hardware change.
You might see this error if you entered a product key for the Enterprise edition of Windows to activate Windows 11 Home or Windows 11 Pro. After reset windows is no longer activated. I am getting error oxc while trouble shooting. Click Command I have been browsing the internet for a while but was unable to find a solution to this one.
Obviously resetting an AD password for one user is simple. But what if for example there was a computer in an imaginary company and there were 10 users who used the Reset Windows 10 on computer, not activating : So I went to reset my PC in my BIOS, and afterwards of having it previously activated and running just fine, I no longer have it activated and the activation code my motherboard put into windows 10 by itself is no longer working.
Please rate your experience Yes No. Any additional feedback? Submit and view feedback for This product This page. View all page feedback. In this article. Enter your Windows 8. Select Activate Windows , and then select Contact customer support for help. You may be asked for an admin password or to confirm your choice. If you're experiencing activation issues, see Why can't I activate Windows and Get help with Windows activation errors.
Learn more. Select the Start button , right-click Computer , select Properties , and then select Activate Windows now. If Windows detects an internet connection, select Activate Windows online now. You might be asked for an admin password or to confirm your choice. Enter your Windows 7 product key when prompted, select Next , and then follow the instructions. Select Use the automated phone system.
Windows 7 Windows 8.
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