Install Arch Linux

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Hi everyone! I am very closer than ever to install arch Linux and I have
small doubts. Can you share with your experience to install arch Linux? I
have read Arch wiki. And I saw a few decisions. What did you choose? As I
understand disable the security boot is more simple.
P.S. As I understand right you have signed your core for a long time, but
now not? If it so, why?