Thank you very much for viewing this product from among many others. The main unit is a used item, but the HDD has been replaced with a new 256GB SSD, and Windows 10 Home has been clean installed, then upgraded to Windows 11 Home. ● This is a highly customized Toshiba laptop dynabook T series T451/ series, a recommended PC ● ☆ New, super-fast, "SSD 256GB" ☆ ☆ Equipped with (2nd generation Core i7 processor 2670QM 2.20GHz, new 256GB SSD, large capacity memory 16GB) is highly recommended. ★ ● This Toshiba dynabook laptop PC has a Core i7-2670QM 4-core 8-thread CPU, the HDD has been replaced with a new 256GB SSD, and the memory has been upgraded to the maximum of 16GB. The speed of this PC: The first top screen starts up in about 20 to 30 seconds after pressing the power button. PCs like this one, equipped with an SSD and set up for super-fast performance, are very efficient for work, so I highly recommend them! You can use your time effectively! (The product in the photo may differ depending on the SSD stock. The capacity will not change.) (Fast and comfortable operation, shock-resistant, low heat generation, quiet, and durable) It also has a web camera, so it can be used for telework and online meetings. The drive has a BD/DVD drive. (BD/DVD playback confirmed) Office software is also installed (recognized) The battery can be charged, but I have not confirmed how many hours it can be used on a full charge. There are no deep scratches or cracks on the LCD. Windows 11 Home (Version 24H2) The items to be provided are the main unit and AC adapter. ★ Installed software: Google Chrome, Microsoft Edge, iTunes, Acrobat Reader, Instagram Zoom, LINE, Ms Office 2021 (Word, Excel, PowerPoint, etc.) We are looking forward to your many comments.