Model Aspire A515-51-531Z Windows 10 installed, Windows 11 Capable! Also, there is space for a second SATA Hard Drive for more storage. 15.6 in. HD Widescreen Display 1366 X 768 Resolution, Intel i5-8250 Quad Core CPU, 12 GB DDR4 RAM, 256 GB m.2 Solid State Drive, Intel UHD620 Graphics. Running Windows 10 64-bit, all updates done.