Here’s when to use these instructions: • You have a license to install Windows 10 and are upgrading this PC from Windows 7 or Windows 8.1. • You need to reinstall Windows 10 on a PC you’ve already successfully activated Windows 10. If you are installing Windows 10 on a PC running Windows XP or Windows Vista, or if you need to create installation media to install Windows 10 on a different PC, see section below. Note: Before you install Windows 10, check to make sure your PC meets the for Windows 10. We also recommend going to the PC manufacturer's website for any additional info about updated drivers and hardware compatibility. • Select Download tool, and select Run. You need to be an administrator to run this tool.