Product Key not included, you must have your own key, if you bought your PC or Laptop from high street retailer with Windows 10 preinstalled in this case this DVD will detect it. Product Key not included, you must have your own key, if you bought your PC or Laptop from high street retailer with Windows 10 preinstalled in this case this DVD will detect it. Repair Recover or Reinstall Windows 10, PC/Laptop is very slow, not loading windows or if you have a black/blue screen this is what you need. You can also Install Fresh Windows onto a new Hard Drive or your existing one Your computer guaranteed to be just like new FAST & RELIABLE, Works with ASUS, ACER, DELL, TOSHIBA, SONY, HP and all others makes and models, Manuals: Full Instructions Provided