WINDOWS Lenovo laptop Lenove ldeaPad S145-15AST. The laptop was only opened to change to a larger hard drive. The device has Windows 10. 500 HDD hard drive. 4 GB RAM. Integrated graphics card. A4 processor. Operating System: Windows Screen Size: 16 inches Storage Type: HDD Processor Type: AMD Ryzen 5 Graphics Card: Integrated Brand: Lenovo