MacOS Mojave version 10.14.6. MacBook Pro Retina, 13-inch (2560 x 1600) , early 2015. Processor 2.7 GHz Intel core i5. Memory 8 GB 1867 MHz DDR3 ram. Graphics Intel Iris graphics 6100 1536 MB. Serial number C02QC2XUFVH3. 128 GB Flash storage. 412 cycle count.