This is a TOSHIBA dynabook laptop. Manufacturer: TOSHIBA (Toshiba) Series Name: dynabook T55 OS: Windows 10 Home Memory: 4GB LCD Size: 15.6 inches Included accessories: AC adapter, power cord Image 1 appeared, so I think initialization is complete. I am a computer novice. I will answer questions to the best of my ability, but I would appreciate it if you could judge from the images.