I own Macbook Pro Early 2011 edition with Os X El Capitan 10.11.6 and i have tried a thousand times to upgrade to High Sierra but in spite of updating everything i kept getting error message that 8minutes remaining when i start download from the store and will carry on for hours on end chewing my Data into over 30 Gb without progressing. I have done all possibly within my power to no avail.Please help me.