Backlight measures have been taken. The backlight cable has been extended, so the backlight will not turn off due to configuration defects. For an additional 5,000 yen on top of the winning bid, Windows 11 Pro can be installed via Bootcamp. For an additional 10,000 yen on top of the winning bid, Windows 11 Pro can also be installed using the paid virtual machine software "Parallels Desktop 20". For an additional 5,000 yen on top of the winning bid, Mac version of Office can be installed. An Office account and password will be provided. If you make an immediate purchase without price negotiation, Office will be installed for free. For an additional 5,000 yen on top of the winning bid, Windows version of Office can be installed. ※ Product Description ※ Manufacturer: Apple Product Name (Model Number): MacBook Pro Retina [A1708 Thunderbolt 3 port x 2] CPU: Core i5-6360U 2.00-3.10 GHz (2 cores / 4 threads) Memory: 8GB (8192MB) Storage (SSD): Ultra-fast PCI-e SSD 256GB Optical Drive: None Screen Size: Retina display 13.3-inch wide Resolution: 2,560x1,600 dots Wireless LAN: Built-in wireless LAN Keyboard: Japanese layout (with backlight) OS System: Monterey 12.7.4 / Windows 11 Pro (optional) ●Included Accessories AC adapter, built-in battery * Some accessories may not be genuine. ■Product Condition Beautiful! The LCD has no noticeable scratches and the color is good. The keyboard and palm rest are in beautiful condition. There is no fading of the characters. The top cover and bottom cover are generally clean. There are no noticeable scratches. The number of battery charge/discharge cycles is 14. The web camera cannot be used. The initial password is blank or 1234. ※Notes We will accept returns or exchanges for defects that prevent the device from powering on or starting up. Other than that, we cannot accept returns for reasons related to the product condition, so please refrain from purchasing if you are concerned about the product condition.