Upgrading to Windows 10 for free from an eligible device running a genuine copy of Windows 7 or Windows 8. Being a Windows Insider and upgrading to the newest Windows 10 Insider Preview build on an eligible device that was running an activated earlier version of Windows and Windows 10 Preview. Find it on a label inside the Windows 10 box. A digital license will be given to your device for Windows 10 based on the valid product key you entered.
If you bought your PC from a manufacturer, the manufacturer, not Microsoft, must provide a product key. It is preinstalled on your device, included with the device packaging, or included as a card or on the Certificate of Authenticity COA attached to the device.
Buying from www. Find it in the confirmation email that contains the order history. If you're having trouble locating your product key, see Find your Windows product key and Find your Microsoft downloads and product keys. If you have a digital license for Windows 10 Pro, and Windows 10 Home is currently activated on your device, you'll see one of two messages when you select Go to Microsoft Store :.
If you see Buy , you may need to purchase a Windows 10 Pro license. Or, try to sign in to Microsoft Store with the Microsoft account that was used to purchase the Pro license.
Then, follow the instructions to install Windows If you have a digital license for Windows 10 Pro, but Windows 10 Home isn't activated on your device, select Troubleshoot and then follow the instructions to upgrade to Windows 10 Pro.
Select Change product key , and then enter the character Windows 10 Pro product key. See the following for more help activating your valid product key or digital license for Windows 10 Pro:. Get help with Windows activation errors. Activation in Windows Open Activation settings If you have a digital license for Windows 10 Pro, and Windows 10 Home is currently activated on your device, you'll see one of two messages when you select Go to Microsoft Store : If you see Install , select the button to install Windows 10 Pro.
Select Next to start the upgrade to Windows 10 Pro. Having issues with activation after your upgrade? Please see the Volume Licensing Service Center for more information. Start fresh with a clean installation of Windows Before you begin Review the following important notes: Using this tool will remove all apps that do not come standard with Windows, including other Microsoft apps such as Office. You will not be able to recover removed apps and will need to manually reinstall them later if you want to keep them.
You may lose your digital licenses, digital content associated with applications, or other digital entitlements for applications as a result of using the tool, which may impact your ability to use apps you paid for or app-related content you paid for.
Please make sure you have the following: An internet connection to download the tool and the Windows 10 image. Internet service provider fees may apply. Sufficient data storage available on the computer you are clean installing. Note that the download and image is over 3GB. Check these things on the PC where you want to clean install Windows Make sure you meet the system requirements.
Learn more at Windows 10 Specifications. If you just purchased a new device that includes Office , please see Download and install Office Home, Personal, or University on your PC for information on reinstalling Office after the clean installation of Windows. If you have Office or earlier, you will need to locate your Office product key.
For tips on locating your product key, check Find your Office product key or Enter the product key for your Office program. Download tool now Privacy. Using the tool Follow these instructions to install a clean version of Windows Warning Back up anything you want to keep before you begin.
Launch the tool. Review and Accept the License Terms. Declining the License Terms will exit the tool.
