SONY VAIO SVT112 Series Installation: From the Manufacturer's Original to Discs Created by Us After formatting the hard drive (SSD) or when replacing it, you can restore the contents of the hard drive (SSD) to the manufacturer's factory settings. You can also create a recovery partition within the SSD, which is convenient for later use. Applications and settings that the user has installed independently, such as Office, will be deleted during recovery. Please prepare in advance by making arrangements for re-setting or re-installing them. Windows 8 Home 64bit only. Other editions cannot be installed. A set of 5 DVD-ROMs created from the original discs. This model can still be used by upgrading to Windows 10 or Windows 11. Windows 8.1 Home 64bit only. Other editions cannot be installed. Additional Information: Clean installation and upgrade confirmed on Windows 11 24H2, Windows 11 unsupported models [3rd/6th generation]. Upgrades confirmed from Windows 10 22H2 19045.4046 and Windows 11 23H2 22631.3155 [with inheritance]. Please check YouTube or other websites for update instructions. There are detailed sites available, so please check them. How about for initialization, recovery, or as a spare? This product is no longer sold by the manufacturer, so we are waiting for those who are having trouble. Included Items: 5 DVD-ROMs created by us from the original discs. Thank you. We have other items for sale as well, so please take a look.