Thank you for viewing. ■ Product Description SONY VAIO SVF14A.15A.142.152 series - Recovery disk created by us from the manufacturer's original After formatting or replacing the hard drive (SSD), you can restore the contents of the hard drive (SSD) to the factory default state. You can also create a recovery partition within the SSD, which is convenient for later use. Applications and settings that the user has installed, such as Office, will be deleted during recovery, so please prepare to reconfigure or reinstall them beforehand. Windows 8 Home 64bit only. Other editions cannot be installed, so please be aware. This is a set of 7 DVDs created from the original disk. You can still use this model by upgrading to Windows 10 or 11. Additional Information Clean installation and upgrade confirmed on Windows 11 24H2 on Windows 11 unsupported models [3rd/6th generation]. Upgrade confirmed from Windows 10 22H2 19045.4046 and Windows 11 24H2 22631.3155 [with inheritance]. Please check YouTube or other sources for update instructions. There are detailed websites 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 7 DVD-ROMs created by us from the original disk. Thank you. We also have other items for sale, so please take a look.