Because Windows 10 is free in a certain period of time, and maybe what you chose to use is the upgrade installation, as a result you don’t need these product keys yet. But later when you get and start to use the Windows 10’s system installation image file or DVD disc, then these product keys will be essential for your Windows 10 setup.
The Windows 10 Update Assistant downloads and installs feature updates on your device. Feature updates like Windows 10, version 1909 (a.k.a. the Windows 10 November 2019 Update) offer new functionality and help keep your systems secure. You’ll get these updates automatically after you download the Update Assistant.
If you don’t want to wait for an automatic update, or if you want to check for quality updates (which are more frequent and include small fixes and security updates), you can update Windows 10 yourself.
If you’re an IT professional, you can defer updates. Go to Windows 10 servicing options.
Need to know which version of Windows 10 is running on your device? You can check quickly and easily. In the search box on the taskbar, type winver, then select winver from the list of results.
Need to know about required disk space, error codes, removing an installed update, or other update questions? Find more help at Windows Update: FAQ.
Note: Windows 10 Update Assistant doesn't run on ARM-based PCs. It's only supported for PCs using x86/64 processors.
Before upgrading to Windows 10 Pro, make sure your device is up to date and running the most recent version of Windows 10 Home. For more info about how to keep your PC updated, see Windows Update: FAQ.
To upgrade from Windows 10 Home to Windows 10 Pro and activate your device, you'll need a valid product key or a digital license for Windows 10 Pro.
Note: If you don't have a product key or a digital license, you can buy Windows 10 Pro from Microsoft Store. Select the Start button, select Settings > Update & Security> Activation , and then select Go to Microsoft Store. From here, you can also see how much this upgrade will cost.
Open Activation settings
Use the following chart to determine which activation method you'll use:
If you got Windows 10 by... | Activation method |
|---|---|
Upgrading to Windows 10 for free from an eligible device running a genuine copy of Windows 7 or Windows 8.1. | Digital license |
Buying a Windows 10 Pro upgrade from the Microsoft Store app and successfully activated Windows 10. | Digital license |
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. | Digital license |
Buying genuine Windows 10 from the Microsoft Store app. | Digital license |
Buying a copy of Windows 10 from an authorized retailer. | Product key 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. |
Buying a digital copy of Windows 10 from an authorized retailer. | Product key Find it in the confirmation email you received after buying Windows 10 or in a digital locker accessible through the retailer’s website. A digital license will be given to your device for Windows 10 based on the valid product key you entered. |
Having a Volume Licensing agreement for Windows 10 or MSDN subscription. | Product key It is available through the web portal for your program. |
Buying a new or refurbished device running Windows 10. | 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. If you bought a refurbished PC, the refurbisher, not Microsoft, must provide you a product key. |
Buying from www.microsoft.com | Product key 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.
Windows Anytime Upgrade Key Windows 10
If you're ready to upgrade, select one of the following headings to get started: