Windows 8.1 64-bit New Full Re Install Operating System Boot Disc - Repair Restore Recover DVD You are purchasing a custom Windows 8.1 Any Version, "HOME" 64 Bit Re-Install, Repair and/or Restore disc. Repair your non-working Windows computer. Easy Recovery Steps for Windows. Save time and money. Repair BOOTMGR is missing or compressed, NTLDR is missing. Repair Blue screens of death (BSODs) at startup. Includes Recovery Center with Automated System Repair (Searches for problems and attempts to fix them) It will re install your original computer settings as if you bought a new computer. This disc will allow you to re-install windows on a new hard drive, or recover your existing version of windows if you are having system or software failure. Re Install with your license key! Simple and easy to use, no guess work if your not sure. We include Both 32 Bit and 64 Bit disks. Use it without technical skills, 100% Warranty Works on PCs and laptops and is Fully Compatible with all computer manufactures including Dell, Compaq, Acer, Asus, Sony HP, Toshiba, Lenovo. DOES NOT come with a product key. You must have your own product key to install. Windows 8 embeds it's keys in the system bios. Do NOT try to install on another PC. It will not work.