macOS Catalina Version 10.15.7 MacBook Air (13-inch, Mid 2012) Processor 1.8 GHz Dual-Core Intel Core i5 Memory 4 GB 1600 MHz DDR3 Startup Disk Macintosh HD - Data Graphics Intel HD Graphics 4000 1536 MB Serial Number CO2K234UDRVC جهاز ماك بوك نظيف مع كرتونه