Three Upgrade Options to Pick:
Basic 8GB RAM + 500GB HD
Upgrade 8GB RAM + 1TB HD
Max Upgrade 16GB RAM + 1TB HD
The Macbook Pro 13" come with MAC OS 10.15 Catalina. It is fully functional and tested by APPLE CERTIFIED TECHNICIAN. Great laptop for school work, Youtubes, online games, Facebook, video streaming and editing, and many more. Best of all Macbook Pro 13" and the last year for Unibody Style that came with built in SD Card slot, DVDRW, and 2 USB Ports.