mid2007 iMac w/ OS X El Capitan (version 10.11.6, 2GHz Intel Core 2 duo processor, 4GB 667 MHz DDR2 SDRAM); how can I upgrade to Catalina? do I need an external memory card to provide sufficient SDRAM?
My mid2007 iMac w/ OS X El Capitan (version 10.11.6, 2GHz Intel Core 2 duo processor, 4GB 667 MHz DDR2 SDRAM); how can I upgrade to Catalina? do I need an external memory card to provide sufficient SDRAM?
