I have a few MacPro3,1's at my school I'd like to update to El Capitan 10.11.6. Currently they're running 10.5.8. I've got really slow WiFi-internet access, but the MacPro's do not have Airport. How ...
It should install with its default OS version regardless of your purchase history, I think? (I sincerely hope no one here will give out their Apple ID credentials, but I think that goes without saying ...
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