macbook pro retina -processor 2.7ghz intelcore i5 early 2015, 8gb 1867 mhz ddr3 121.12 gb, with 27gb available , i also use external hard drive but still did the same thing, now that i installed in the mac hard drive worst. EZ KEYS WORK PERFECT. WOULD YOU RECOMMEND RUNNING IT FROM EXTERNAL HARD DRIVE IF YES WHAT ITEM DO YOU RECOMMEND , THANK YOU FOR ANSWERING MY QUESTIONS
