I wanna start up and download this cause it gives me a better macOS than the old one because I can’t update it no more it is a 2015 11 inch MacBook Air and I want to update it to. It’s max to the newest version. Is there anything I need to worry about or have or be prepared before I download this and also can I get a proper tutorial?

(Sorry for too much words)

submitted by /u/Conscious-Pie-990
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