Add 5,000 yen to the winning bid: Windows 11 Pro can be installed via Bootcamp. Add 10,000 yen to the winning bid: Windows 11 Pro can also be installed using the paid virtual machine software "Parallels Desktop 20". Add 5,000 yen to 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. Add 5,000 yen to the winning bid: Windows version of Office can be installed. Add 5,000 yen to the winning bid: SSD upgrade to 512GB! Add 10,000 yen to the winning bid: SSD upgrade to 1TB! Add 20,000 yen to the winning bid: SSD upgrade to 2TB! ※ Product Description ※ Manufacturer: Apple Product Name (Model Number): MacBook IrisPro Retina [A1502] CPU: Core i5-5257U 2.70-3.10 GHz (2 cores / 4 threads) Memory: 16GB (16384MB) Storage (SSD): Ultra-fast PCI-e NVME 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: English layout (with backlight) OS System: Catalina 10.15.7 / Windows 11 Pro 64bit ● Included Accessories AC adapter, built-in battery ※ Some accessories may not be genuine. ■ Product Condition There is coating peeling on the LCD screen. The keyboard and palm rest are in a clean condition, with no fading of characters. There are some scratches on the top cover and bottom cover. The battery charge/discharge cycle count is 58. The initial password is 1234. ※ Notes Returns or exchanges will be accepted for defects that prevent use, such as failure to power on or boot. Other than that, returns cannot be accepted for reasons related to the product condition, so please refrain from purchasing if you are particular about the product condition.