Windows 8.1 Pro Enterprise Standard 32/64-bit Reinstallation Re install Recovery Restore Fix Boot Disk Disc CD - For All Make/Model PCs including HP, Lenovo, Dell, Toshiba, Sony, Asus, Acer This disc has been specially designed to allow you to reinstall, repair, and restore any PC or Laptop that still has its Windows product key code. This restore disc can be used to return a Windows 8.1 computer back to factory settings, making your computer run like new! Our disc lets you remove viruses and fix common errors by reinstalling your Windows Operating system. To backup personal data first get the ACRS Boot Disc. For a hardware driver solution get the ACRS driver dvd This disc does NOT come with a Windows 8.1 product key; however, you can use your computer's original Windows product key with our disc to fully activate Windows 8.1.