The dynabook REGZA PC D713/T3LW is a 21.5-inch LCD monitor all-in-one PC purchased 11 years ago, and is being sold due to replacement. It was used with almost no problems in a Windows 10 environment until the time of listing. It's fast with a Core i7 CPU and SSD. Please check the details and purchase. Items for sale: Main unit, keyboard, mouse (non-genuine), Office 2013 product key, manuals, remote control (without batteries), B-CAS card, AC adapter/power cord, self-made recovery DVD, spare internal receiver for wireless keyboard/mouse, external (USB) Wi-Fi adapter, keyboard batteries (used) Hardware specifications: CPU: Celeron 1005M → Upgraded to Core i7-3632QM Memory: 4GB → Upgraded to 8GB Storage: 2TB HDD → Upgraded to 1TB SSD Optical drive: Panasonic UJ8E2 malfunction → Replaced with UJ8C2 Keyboard: Genuine Mouse: Genuine product damaged → Replaced with Microsoft wired mouse Wi-Fi: External (USB) adapter included due to occasional internal adapter issues Application status: Upgraded from Windows 8 at the time of purchase to Windows 10. ESU for Windows 10 support extension is not applied. Please apply ESU yourself. Pre-installed apps are included. Some may not work in the Windows 10 environment. The TV app is not compatible with Windows 10 and cannot be viewed. I tried to check if it could be viewed by reverting to the Windows 8 environment, but it could not be viewed due to the error in the photo. Office 2013 product key is included, it was not pre-installed at the time of purchase. It has been installed and activated this time. A recovery DVD is included. You can restore it to the factory default state (Windows 8 + pre-installed apps) at any time. Things to do after purchase: Please insert the keyboard batteries. After starting the PC, the "temporary-user" account will start without a password. It is a local account. Please set up your own account. Please refer to the photos for the appearance. It is relatively clean. It will be safely packed with air cap and cardboard box (double packaging + cushioning material).