Chris has personally written over 2,000 articles that have been read more than one billion times-and that's just here at How-To Geek. There's a Windows 10 download tool that runs on Windows systems, which will help you create a USB drive to install Windows 10 or download the ISO.Ĭhris Hoffman is the former Editor-in-Chief of How-To Geek. You can download it directly from Microsoft, and you don't even need a product key to download a copy. How to Download Windows 10 and Install it Without a Keyįirst, you'll need to download Windows 10. Whether you want to install Windows 10 in Boot Camp, put it on an old computer that isn't eligible for a free upgrade, or create one or more virtual machines, you don't actually need to pay a cent. And you can even pay to upgrade to a licensed copy of Windows 10 after you install it. It'll keep working for the foreseeable future, with only a few small cosmetic restrictions. Microsoft allows anyone to download Windows 10 for free and install it without a product key. If you want to upgrade to a licensed version later, you can purchase a Windows 10 license from the Windows Store, ranging from $120 for the Home Edition to $200 for the Professional Edition.An unactivated copy of Windows limits your ability to customize the appearance of the desktop, menus, and taskbar.You can download the Windows 10 ISO from Microsoft for free, without a license key, to install on a PC or a virtual machine.