You'll find further requirements and step by step instructions on the software download website.
However, if you are reinstalling Windows on an older computer, you will likely find the Windows product-key printed on a label attached to the side panel of the computer. If you are reinstalling windows on a computer with the original motherboard, then you will not need your product key since it will be automatically registered by windows. Note: Since 2018, all CyberPowerPC computers are now built with a digital key that is embedded into the motherboard which is unique to that motherboard only.
