If you already have a Windows 10 product key in your email or otherwise, you can also add it directly to Windows 10 to activate the release by going to the Settings > Activation > Change Product Key section. Sign into a Microsoft account (or create a new one) and add a payment method if you have not done so already to complete the purchaseĪfter Windows 10 has been activated you can freely personalize the wallpaper and you will no longer see the “Windows isn’t activated” messages throughout Settings.

At the “Get genuine Windows” screen click on the price tag button to buy a Windows 10 product key, it’s $200 in the US for the pro version.From the Windows Activation section of Settings, choose “Go To Store”.At the bottom of the Windows Settings screen, click on “Windows isn’t activated.From the Windows 10 desktop, access ‘All Settings’ (either from the Start menu or the sidebar).Assuming that’s the case, here’s how you can activate Windows 10 with a product key: This assumes you have already downloaded Windows 10 and installed it somewhere, and are thereby able to access the Windows 10 desktop and activation screens. If you just want to try out Windows 10 and you aren’t sure if you want to commit to it, you can easily do that with the aforementioned ISO and a PC, VirtualBox, or Boot Camp. Remember, you do not need to have a product key to use Windows 10 and you do not need to activate Windows 10 to install it using the ISO as described here. You can buy one directly from the Microsoft Store for Windows 10 Pro for $200 and activate the Windows 10 release if desired. In order to activate Windows 10 you will need a Windows product key from Microsoft.

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